68173712

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{137447}}^1$

素因数の和:137486

約数の個数: 20

約数和(自身を含む): 136348416

約数和(自身を除く): 68174704

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 137447, 274894, 549788, 1099576, 2199152, 4260857, 8521714, 17043428, 34086856, 68173712]

約数ペア:

[(1, 68173712), (2, 34086856), (4, 17043428), (8, 8521714), (16, 4260857), (31, 2199152), (62, 1099576), (124, 549788), (248, 274894), (496, 137447)]