247903404

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:196

約数の個数: 144

約数和(自身を含む): 710002944

約数和(自身を除く): 462099540

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 37, 42, 62, 74, 83, 84, 93, 111, 124, 148, 166, 186, 217, 222, 249, 259, 332, 372, 434, 444, 498, 518, 581, 651, 777, 868, 961, 996, 1036, 1147, 1162, 1302, 1554, 1743, 1922, 2294, 2324, 2573, 2604, 2883, 3071, 3108, 3441, 3486, 3844, 4588, 5146, 5766, 6142, 6727, 6882, 6972, 7719, 8029, 9213, 10292, 11532, 12284, 13454, 13764, 15438, 16058, 18011, 18426, 20181, 21497, 24087, 26908, 30876, 32116, 35557, 36022, 36852, 40362, 42994, 48174, 54033, 64491, 71114, 72044, 79763, 80724, 85988, 95201, 96348, 106671, 108066, 128982, 142228, 159526, 190402, 213342, 216132, 239289, 248899, 257964, 285603, 319052, 380804, 426684, 478578, 497798, 558341, 571206, 666407, 746697, 957156, 995596, 1116682, 1142412, 1332814, 1493394, 1675023, 1999221, 2233364, 2665628, 2951231, 2986788, 3350046, 3998442, 5902462, 6700092, 7996884, 8853693, 11804924, 17707386, 20658617, 35414772, 41317234, 61975851, 82634468, 123951702, 247903404]

約数ペア:

[(1, 247903404), (2, 123951702), (3, 82634468), (4, 61975851), (6, 41317234), (7, 35414772), (12, 20658617), (14, 17707386), (21, 11804924), (28, 8853693), (31, 7996884), (37, 6700092), (42, 5902462), (62, 3998442), (74, 3350046), (83, 2986788), (84, 2951231), (93, 2665628), (111, 2233364), (124, 1999221), (148, 1675023), (166, 1493394), (186, 1332814), (217, 1142412), (222, 1116682), (249, 995596), (259, 957156), (332, 746697), (372, 666407), (434, 571206), (444, 558341), (498, 497798), (518, 478578), (581, 426684), (651, 380804), (777, 319052), (868, 285603), (961, 257964), (996, 248899), (1036, 239289), (1147, 216132), (1162, 213342), (1302, 190402), (1554, 159526), (1743, 142228), (1922, 128982), (2294, 108066), (2324, 106671), (2573, 96348), (2604, 95201), (2883, 85988), (3071, 80724), (3108, 79763), (3441, 72044), (3486, 71114), (3844, 64491), (4588, 54033), (5146, 48174), (5766, 42994), (6142, 40362), (6727, 36852), (6882, 36022), (6972, 35557), (7719, 32116), (8029, 30876), (9213, 26908), (10292, 24087), (11532, 21497), (12284, 20181), (13454, 18426), (13764, 18011), (15438, 16058)]