81368624

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{137447}}^1$

素因数の和:137492

約数の個数: 20

約数和(自身を含む): 161913744

約数和(自身を除く): 80545120

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 137447, 274894, 549788, 1099576, 2199152, 5085539, 10171078, 20342156, 40684312, 81368624]

約数ペア:

[(1, 81368624), (2, 40684312), (4, 20342156), (8, 10171078), (16, 5085539), (37, 2199152), (74, 1099576), (148, 549788), (296, 274894), (592, 137447)]