387203905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{881}}^1$

素因数の和:1089

約数の個数: 32

約数和(自身を含む): 519716736

約数和(自身を除く): 132512831

約数列:

[1, 5, 11, 55, 61, 131, 305, 655, 671, 881, 1441, 3355, 4405, 7205, 7991, 9691, 39955, 48455, 53741, 87901, 115411, 268705, 439505, 577055, 591151, 1269521, 2955755, 6347605, 7040071, 35200355, 77440781, 387203905]

約数ペア:

[(1, 387203905), (5, 77440781), (11, 35200355), (55, 7040071), (61, 6347605), (131, 2955755), (305, 1269521), (655, 591151), (671, 577055), (881, 439505), (1441, 268705), (3355, 115411), (4405, 87901), (7205, 53741), (7991, 48455), (9691, 39955)]