40407818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{331}}^1$

素因数の和:554

約数の個数: 32

約数和(自身を含む): 68843520

約数和(自身を除く): 28435702

約数列:

[1, 2, 11, 22, 31, 62, 179, 331, 341, 358, 662, 682, 1969, 3641, 3938, 5549, 7282, 10261, 11098, 20522, 59249, 61039, 112871, 118498, 122078, 225742, 651739, 1303478, 1836719, 3673438, 20203909, 40407818]

約数ペア:

[(1, 40407818), (2, 20203909), (11, 3673438), (22, 1836719), (31, 1303478), (62, 651739), (179, 225742), (331, 122078), (341, 118498), (358, 112871), (662, 61039), (682, 59249), (1969, 20522), (3641, 11098), (3938, 10261), (5549, 7282)]