81405962

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{709}}^1$

素因数の和:1046

約数の個数: 32

約数和(自身を含む): 141704640

約数和(自身を除く): 60298678

約数列:

[1, 2, 11, 17, 22, 34, 187, 307, 374, 614, 709, 1418, 3377, 5219, 6754, 7799, 10438, 12053, 15598, 24106, 57409, 114818, 132583, 217663, 265166, 435326, 2394293, 3700271, 4788586, 7400542, 40702981, 81405962]

約数ペア:

[(1, 81405962), (2, 40702981), (11, 7400542), (17, 4788586), (22, 3700271), (34, 2394293), (187, 435326), (307, 265166), (374, 217663), (614, 132583), (709, 114818), (1418, 57409), (3377, 24106), (5219, 15598), (6754, 12053), (7799, 10438)]