12640862

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:428

約数の個数: 24

約数和(自身を含む): 20752200

約数和(自身を除く): 8111338

約数列:

[1, 2, 13, 26, 149, 169, 251, 298, 338, 502, 1937, 3263, 3874, 6526, 25181, 37399, 42419, 50362, 74798, 84838, 486187, 972374, 6320431, 12640862]

約数ペア:

[(1, 12640862), (2, 6320431), (13, 972374), (26, 486187), (149, 84838), (169, 74798), (251, 50362), (298, 42419), (338, 37399), (502, 25181), (1937, 6526), (3263, 3874)]