138639316

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{3527}}^1$

素因数の和:3879

約数の個数: 24

約数和(自身を含む): 251306496

約数和(自身を除く): 112667180

約数列:

[1, 2, 4, 31, 62, 124, 317, 634, 1268, 3527, 7054, 9827, 14108, 19654, 39308, 109337, 218674, 437348, 1118059, 2236118, 4472236, 34659829, 69319658, 138639316]

約数ペア:

[(1, 138639316), (2, 69319658), (4, 34659829), (31, 4472236), (62, 2236118), (124, 1118059), (317, 437348), (634, 218674), (1268, 109337), (3527, 39308), (7054, 19654), (9827, 14108)]