31901272

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2239}}^1$

素因数の和:2395

約数の個数: 32

約数和(自身を含む): 64915200

約数和(自身を除く): 33013928

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 137, 274, 548, 1096, 1781, 2239, 3562, 4478, 7124, 8956, 14248, 17912, 29107, 58214, 116428, 232856, 306743, 613486, 1226972, 2453944, 3987659, 7975318, 15950636, 31901272]

約数ペア:

[(1, 31901272), (2, 15950636), (4, 7975318), (8, 3987659), (13, 2453944), (26, 1226972), (52, 613486), (104, 306743), (137, 232856), (274, 116428), (548, 58214), (1096, 29107), (1781, 17912), (2239, 14248), (3562, 8956), (4478, 7124)]