31299710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3947}}^1$

素因数の和:4028

約数の個数: 32

約数和(自身を含む): 61683552

約数和(自身を除く): 30383842

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 3947, 3965, 7894, 7930, 19735, 39470, 51311, 102622, 240767, 256555, 481534, 513110, 1203835, 2407670, 3129971, 6259942, 15649855, 31299710]

約数ペア:

[(1, 31299710), (2, 15649855), (5, 6259942), (10, 3129971), (13, 2407670), (26, 1203835), (61, 513110), (65, 481534), (122, 256555), (130, 240767), (305, 102622), (610, 51311), (793, 39470), (1586, 19735), (3947, 7930), (3965, 7894)]