401068778

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{269}}^1$

素因数の和:455

約数の個数: 48

約数和(自身を含む): 681284520

約数和(自身を除く): 280215742

約数列:

[1, 2, 11, 22, 61, 101, 121, 122, 202, 242, 269, 538, 671, 1111, 1342, 2222, 2959, 5918, 6161, 7381, 12221, 12322, 14762, 16409, 24442, 27169, 32549, 32818, 54338, 65098, 67771, 135542, 180499, 298859, 360998, 597718, 745481, 1490962, 1657309, 1985489, 3287449, 3314618, 3970978, 6574898, 18230399, 36460798, 200534389, 401068778]

約数ペア:

[(1, 401068778), (2, 200534389), (11, 36460798), (22, 18230399), (61, 6574898), (101, 3970978), (121, 3314618), (122, 3287449), (202, 1985489), (242, 1657309), (269, 1490962), (538, 745481), (671, 597718), (1111, 360998), (1342, 298859), (2222, 180499), (2959, 135542), (5918, 67771), (6161, 65098), (7381, 54338), (12221, 32818), (12322, 32549), (14762, 27169), (16409, 24442)]