81670448

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{4229}}^1$

素因数の和:4325

約数の個数: 40

約数和(自身を含む): 169944480

約数和(自身を除く): 88274032

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 71, 136, 142, 272, 284, 568, 1136, 1207, 2414, 4229, 4828, 8458, 9656, 16916, 19312, 33832, 67664, 71893, 143786, 287572, 300259, 575144, 600518, 1150288, 1201036, 2402072, 4804144, 5104403, 10208806, 20417612, 40835224, 81670448]

約数ペア:

[(1, 81670448), (2, 40835224), (4, 20417612), (8, 10208806), (16, 5104403), (17, 4804144), (34, 2402072), (68, 1201036), (71, 1150288), (136, 600518), (142, 575144), (272, 300259), (284, 287572), (568, 143786), (1136, 71893), (1207, 67664), (2414, 33832), (4229, 19312), (4828, 16916), (8458, 9656)]