31198736

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:519

約数の個数: 40

約数和(自身を含む): 62493024

約数和(自身を除く): 31294288

約数列:

[1, 2, 4, 8, 16, 43, 86, 137, 172, 274, 331, 344, 548, 662, 688, 1096, 1324, 2192, 2648, 5296, 5891, 11782, 14233, 23564, 28466, 45347, 47128, 56932, 90694, 94256, 113864, 181388, 227728, 362776, 725552, 1949921, 3899842, 7799684, 15599368, 31198736]

約数ペア:

[(1, 31198736), (2, 15599368), (4, 7799684), (8, 3899842), (16, 1949921), (43, 725552), (86, 362776), (137, 227728), (172, 181388), (274, 113864), (331, 94256), (344, 90694), (548, 56932), (662, 47128), (688, 45347), (1096, 28466), (1324, 23564), (2192, 14233), (2648, 11782), (5296, 5891)]