291203172

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:378

約数の個数: 144

約数和(自身を含む): 829588032

約数和(自身を除く): 538384860

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 37, 39, 52, 67, 74, 78, 111, 117, 134, 148, 156, 201, 222, 234, 251, 268, 333, 402, 444, 468, 481, 502, 603, 666, 753, 804, 871, 962, 1004, 1206, 1332, 1443, 1506, 1742, 1924, 2259, 2412, 2479, 2613, 2886, 3012, 3263, 3484, 4329, 4518, 4958, 5226, 5772, 6526, 7437, 7839, 8658, 9036, 9287, 9789, 9916, 10452, 13052, 14874, 15678, 16817, 17316, 18574, 19578, 22311, 27861, 29367, 29748, 31356, 32227, 33634, 37148, 39156, 44622, 50451, 55722, 58734, 64454, 67268, 83583, 89244, 96681, 100902, 111444, 117468, 120731, 128908, 151353, 167166, 193362, 201804, 218621, 241462, 290043, 302706, 334332, 362193, 386724, 437242, 482924, 580086, 605412, 622229, 655863, 724386, 874484, 1086579, 1160172, 1244458, 1311726, 1448772, 1866687, 1967589, 2173158, 2488916, 2623452, 3733374, 3935178, 4346316, 5600061, 7466748, 7870356, 8088977, 11200122, 16177954, 22400244, 24266931, 32355908, 48533862, 72800793, 97067724, 145601586, 291203172]

約数ペア:

[(1, 291203172), (2, 145601586), (3, 97067724), (4, 72800793), (6, 48533862), (9, 32355908), (12, 24266931), (13, 22400244), (18, 16177954), (26, 11200122), (36, 8088977), (37, 7870356), (39, 7466748), (52, 5600061), (67, 4346316), (74, 3935178), (78, 3733374), (111, 2623452), (117, 2488916), (134, 2173158), (148, 1967589), (156, 1866687), (201, 1448772), (222, 1311726), (234, 1244458), (251, 1160172), (268, 1086579), (333, 874484), (402, 724386), (444, 655863), (468, 622229), (481, 605412), (502, 580086), (603, 482924), (666, 437242), (753, 386724), (804, 362193), (871, 334332), (962, 302706), (1004, 290043), (1206, 241462), (1332, 218621), (1443, 201804), (1506, 193362), (1742, 167166), (1924, 151353), (2259, 128908), (2412, 120731), (2479, 117468), (2613, 111444), (2886, 100902), (3012, 96681), (3263, 89244), (3484, 83583), (4329, 67268), (4518, 64454), (4958, 58734), (5226, 55722), (5772, 50451), (6526, 44622), (7437, 39156), (7839, 37148), (8658, 33634), (9036, 32227), (9287, 31356), (9789, 29748), (9916, 29367), (10452, 27861), (13052, 22311), (14874, 19578), (15678, 18574), (16817, 17316)]