278340426

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{677}}^1$

素因数の和:956

約数の個数: 96

約数和(自身を含む): 746299008

約数和(自身を除く): 467958582

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 251, 273, 502, 546, 677, 753, 819, 1354, 1506, 1638, 1757, 2031, 2259, 3263, 3514, 4062, 4518, 4739, 5271, 6093, 6526, 8801, 9478, 9789, 10542, 12186, 14217, 15813, 17602, 19578, 22841, 26403, 28434, 29367, 31626, 42651, 45682, 52806, 58734, 61607, 68523, 79209, 85302, 123214, 137046, 158418, 169927, 184821, 205569, 339854, 369642, 411138, 509781, 554463, 1019562, 1108926, 1189489, 1529343, 2209051, 2378978, 3058686, 3568467, 4418102, 6627153, 7136934, 10705401, 13254306, 15463357, 19881459, 21410802, 30926714, 39762918, 46390071, 92780142, 139170213, 278340426]

約数ペア:

[(1, 278340426), (2, 139170213), (3, 92780142), (6, 46390071), (7, 39762918), (9, 30926714), (13, 21410802), (14, 19881459), (18, 15463357), (21, 13254306), (26, 10705401), (39, 7136934), (42, 6627153), (63, 4418102), (78, 3568467), (91, 3058686), (117, 2378978), (126, 2209051), (182, 1529343), (234, 1189489), (251, 1108926), (273, 1019562), (502, 554463), (546, 509781), (677, 411138), (753, 369642), (819, 339854), (1354, 205569), (1506, 184821), (1638, 169927), (1757, 158418), (2031, 137046), (2259, 123214), (3263, 85302), (3514, 79209), (4062, 68523), (4518, 61607), (4739, 58734), (5271, 52806), (6093, 45682), (6526, 42651), (8801, 31626), (9478, 29367), (9789, 28434), (10542, 26403), (12186, 22841), (14217, 19578), (15813, 17602)]