389968138

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{3557}}^1$

素因数の和:3798

約数の個数: 32

約数和(自身を含む): 688601088

約数和(自身を除く): 298632950

約数列:

[1, 2, 7, 14, 41, 82, 191, 287, 382, 574, 1337, 2674, 3557, 7114, 7831, 15662, 24899, 49798, 54817, 109634, 145837, 291674, 679387, 1020859, 1358774, 2041718, 4755709, 9511418, 27854867, 55709734, 194984069, 389968138]

約数ペア:

[(1, 389968138), (2, 194984069), (7, 55709734), (14, 27854867), (41, 9511418), (82, 4755709), (191, 2041718), (287, 1358774), (382, 1020859), (574, 679387), (1337, 291674), (2674, 145837), (3557, 109634), (7114, 54817), (7831, 49798), (15662, 24899)]