261657266

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{2693}}^1$

素因数の和:2846

約数の個数: 32

約数和(自身を含む): 438561648

約数和(自身を除く): 176904382

約数列:

[1, 2, 13, 26, 37, 74, 101, 202, 481, 962, 1313, 2626, 2693, 3737, 5386, 7474, 35009, 48581, 70018, 97162, 99641, 199282, 271993, 543986, 1295333, 2590666, 3535909, 7071818, 10063741, 20127482, 130828633, 261657266]

約数ペア:

[(1, 261657266), (2, 130828633), (13, 20127482), (26, 10063741), (37, 7071818), (74, 3535909), (101, 2590666), (202, 1295333), (481, 543986), (962, 271993), (1313, 199282), (2626, 99641), (2693, 97162), (3737, 70018), (5386, 48581), (7474, 35009)]