155702404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{20939}}^1$

素因数の和:20980

約数の個数: 36

約数和(自身を含む): 321889680

約数和(自身を除く): 166187276

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 169, 286, 338, 572, 676, 1859, 3718, 7436, 20939, 41878, 83756, 230329, 272207, 460658, 544414, 921316, 1088828, 2994277, 3538691, 5988554, 7077382, 11977108, 14154764, 38925601, 77851202, 155702404]

約数ペア:

[(1, 155702404), (2, 77851202), (4, 38925601), (11, 14154764), (13, 11977108), (22, 7077382), (26, 5988554), (44, 3538691), (52, 2994277), (143, 1088828), (169, 921316), (286, 544414), (338, 460658), (572, 272207), (676, 230329), (1859, 83756), (3718, 41878), (7436, 20939)]