18857539295

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{70921}}^1$

素因数の和:71111

約数の個数: 32

約数和(自身を含む): 26471494656

約数和(自身を除く): 7613955361

約数列:

[1, 5, 7, 35, 71, 107, 355, 497, 535, 749, 2485, 3745, 7597, 37985, 53179, 70921, 265895, 354605, 496447, 2482235, 5035391, 7588547, 25176955, 35247737, 37942735, 53119829, 176238685, 265599145, 538786837, 2693934185, 3771507859, 18857539295]

約数ペア:

[(1, 18857539295), (5, 3771507859), (7, 2693934185), (35, 538786837), (71, 265599145), (107, 176238685), (355, 53119829), (497, 37942735), (535, 35247737), (749, 25176955), (2485, 7588547), (3745, 5035391), (7597, 2482235), (37985, 496447), (53179, 354605), (70921, 265895)]