256985646

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:473

約数の個数: 64

約数和(自身を含む): 551577600

約数和(自身を除く): 294591954

約数列:

[1, 2, 3, 6, 29, 37, 58, 74, 87, 111, 174, 179, 222, 223, 358, 446, 537, 669, 1073, 1074, 1338, 2146, 3219, 5191, 6438, 6467, 6623, 8251, 10382, 12934, 13246, 15573, 16502, 19401, 19869, 24753, 31146, 38802, 39738, 39917, 49506, 79834, 119751, 192067, 239279, 239502, 384134, 478558, 576201, 717837, 1152402, 1157593, 1435674, 1476929, 2315186, 2953858, 3472779, 4430787, 6945558, 8861574, 42830941, 85661882, 128492823, 256985646]

約数ペア:

[(1, 256985646), (2, 128492823), (3, 85661882), (6, 42830941), (29, 8861574), (37, 6945558), (58, 4430787), (74, 3472779), (87, 2953858), (111, 2315186), (174, 1476929), (179, 1435674), (222, 1157593), (223, 1152402), (358, 717837), (446, 576201), (537, 478558), (669, 384134), (1073, 239502), (1074, 239279), (1338, 192067), (2146, 119751), (3219, 79834), (5191, 49506), (6438, 39917), (6467, 39738), (6623, 38802), (8251, 31146), (10382, 24753), (12934, 19869), (13246, 19401), (15573, 16502)]