128986403

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1321}}^1$

素因数の和:1407

約数の個数: 32

約数和(自身を含む): 168792960

約数和(自身を除く): 39806557

約数列:

[1, 7, 13, 29, 37, 91, 203, 259, 377, 481, 1073, 1321, 2639, 3367, 7511, 9247, 13949, 17173, 38309, 48877, 97643, 120211, 268163, 342139, 498017, 635401, 1417433, 3486119, 4447807, 9922031, 18426629, 128986403]

約数ペア:

[(1, 128986403), (7, 18426629), (13, 9922031), (29, 4447807), (37, 3486119), (91, 1417433), (203, 635401), (259, 498017), (377, 342139), (481, 268163), (1073, 120211), (1321, 97643), (2639, 48877), (3367, 38309), (7511, 17173), (9247, 13949)]