128464986

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{23197}}^1$

素因数の和:23286

約数の個数: 32

約数和(自身を含む): 280603008

約数和(自身を除く): 152138022

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 213, 426, 923, 1846, 2769, 5538, 23197, 46394, 69591, 139182, 301561, 603122, 904683, 1646987, 1809366, 3293974, 4940961, 9881922, 21410831, 42821662, 64232493, 128464986]

約数ペア:

[(1, 128464986), (2, 64232493), (3, 42821662), (6, 21410831), (13, 9881922), (26, 4940961), (39, 3293974), (71, 1809366), (78, 1646987), (142, 904683), (213, 603122), (426, 301561), (923, 139182), (1846, 69591), (2769, 46394), (5538, 23197)]