639947412

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:287

約数の個数: 192

約数和(自身を含む): 1868554240

約数和(自身を除く): 1228606828

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 37, 39, 52, 54, 74, 78, 97, 108, 111, 117, 127, 148, 156, 194, 222, 234, 254, 291, 333, 351, 381, 388, 444, 468, 481, 508, 582, 666, 702, 762, 873, 962, 999, 1143, 1164, 1261, 1332, 1404, 1443, 1524, 1651, 1746, 1924, 1998, 2286, 2522, 2619, 2886, 3302, 3429, 3492, 3589, 3783, 3996, 4329, 4572, 4699, 4953, 5044, 5238, 5772, 6604, 6858, 7178, 7566, 8658, 9398, 9906, 10476, 10767, 11349, 12319, 12987, 13716, 14097, 14356, 14859, 15132, 17316, 18796, 19812, 21534, 22698, 24638, 25974, 28194, 29718, 32301, 34047, 36957, 42291, 43068, 44577, 45396, 46657, 49276, 51948, 56388, 59436, 61087, 64602, 68094, 73914, 84582, 89154, 93314, 96903, 110871, 122174, 126873, 129204, 136188, 139971, 147828, 160147, 169164, 178308, 183261, 186628, 193806, 221742, 244348, 253746, 279942, 320294, 332613, 366522, 387612, 419913, 443484, 455803, 480441, 507492, 549783, 559884, 640588, 665226, 733044, 839826, 911606, 960882, 1099566, 1259739, 1330452, 1367409, 1441323, 1649349, 1679652, 1823212, 1921764, 2199132, 2519478, 2734818, 2882646, 3298698, 4102227, 4323969, 5038956, 5469636, 5765292, 5925439, 6597396, 8204454, 8647938, 11850878, 12306681, 16408908, 17295876, 17776317, 23701756, 24613362, 35552634, 49226724, 53328951, 71105268, 106657902, 159986853, 213315804, 319973706, 639947412]

約数ペア:

[(1, 639947412), (2, 319973706), (3, 213315804), (4, 159986853), (6, 106657902), (9, 71105268), (12, 53328951), (13, 49226724), (18, 35552634), (26, 24613362), (27, 23701756), (36, 17776317), (37, 17295876), (39, 16408908), (52, 12306681), (54, 11850878), (74, 8647938), (78, 8204454), (97, 6597396), (108, 5925439), (111, 5765292), (117, 5469636), (127, 5038956), (148, 4323969), (156, 4102227), (194, 3298698), (222, 2882646), (234, 2734818), (254, 2519478), (291, 2199132), (333, 1921764), (351, 1823212), (381, 1679652), (388, 1649349), (444, 1441323), (468, 1367409), (481, 1330452), (508, 1259739), (582, 1099566), (666, 960882), (702, 911606), (762, 839826), (873, 733044), (962, 665226), (999, 640588), (1143, 559884), (1164, 549783), (1261, 507492), (1332, 480441), (1404, 455803), (1443, 443484), (1524, 419913), (1651, 387612), (1746, 366522), (1924, 332613), (1998, 320294), (2286, 279942), (2522, 253746), (2619, 244348), (2886, 221742), (3302, 193806), (3429, 186628), (3492, 183261), (3589, 178308), (3783, 169164), (3996, 160147), (4329, 147828), (4572, 139971), (4699, 136188), (4953, 129204), (5044, 126873), (5238, 122174), (5772, 110871), (6604, 96903), (6858, 93314), (7178, 89154), (7566, 84582), (8658, 73914), (9398, 68094), (9906, 64602), (10476, 61087), (10767, 59436), (11349, 56388), (12319, 51948), (12987, 49276), (13716, 46657), (14097, 45396), (14356, 44577), (14859, 43068), (15132, 42291), (17316, 36957), (18796, 34047), (19812, 32301), (21534, 29718), (22698, 28194), (24638, 25974)]