87642065

素因数分解:

$5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{19717}}^1$

素因数の和:19856

約数の個数: 16

約数和(自身を含む): 121147392

約数和(自身を除く): 33505327

約数列:

[1, 5, 7, 35, 127, 635, 889, 4445, 19717, 98585, 138019, 690095, 2504059, 12520295, 17528413, 87642065]

約数ペア:

[(1, 87642065), (5, 17528413), (7, 12520295), (35, 2504059), (127, 690095), (635, 138019), (889, 98585), (4445, 19717)]