12999710

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 24132384

約数和(自身を除く): 11132674

約数列:

[1, 2, 5, 10, 61, 101, 122, 202, 211, 305, 422, 505, 610, 1010, 1055, 2110, 6161, 12322, 12871, 21311, 25742, 30805, 42622, 61610, 64355, 106555, 128710, 213110, 1299971, 2599942, 6499855, 12999710]

約数ペア:

[(1, 12999710), (2, 6499855), (5, 2599942), (10, 1299971), (61, 213110), (101, 128710), (122, 106555), (202, 64355), (211, 61610), (305, 42622), (422, 30805), (505, 25742), (610, 21311), (1010, 12871), (1055, 12322), (2110, 6161)]