81431482

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{859}}^1$

素因数の和:1042

約数の個数: 32

約数和(自身を含む): 138700800

約数和(自身を除く): 57269318

約数列:

[1, 2, 11, 22, 31, 62, 139, 278, 341, 682, 859, 1529, 1718, 3058, 4309, 8618, 9449, 18898, 26629, 47399, 53258, 94798, 119401, 238802, 292919, 585838, 1313411, 2626822, 3701431, 7402862, 40715741, 81431482]

約数ペア:

[(1, 81431482), (2, 40715741), (11, 7402862), (22, 3701431), (31, 2626822), (62, 1313411), (139, 585838), (278, 292919), (341, 238802), (682, 119401), (859, 94798), (1529, 53258), (1718, 47399), (3058, 26629), (4309, 18898), (8618, 9449)]