87881885

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193147}}^1$

素因数の和:193172

約数の個数: 16

約数和(自身を含む): 129795456

約数和(自身を除く): 41913571

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 193147, 965735, 1352029, 2510911, 6760145, 12554555, 17576377, 87881885]

約数ペア:

[(1, 87881885), (5, 17576377), (7, 12554555), (13, 6760145), (35, 2510911), (65, 1352029), (91, 965735), (455, 193147)]