87199408

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{21713}}^1$

素因数の和:21972

約数の個数: 20

約数和(自身を含む): 169629768

約数和(自身を除く): 82430360

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 21713, 43426, 86852, 173704, 347408, 5449963, 10899926, 21799852, 43599704, 87199408]

約数ペア:

[(1, 87199408), (2, 43599704), (4, 21799852), (8, 10899926), (16, 5449963), (251, 347408), (502, 173704), (1004, 86852), (2008, 43426), (4016, 21713)]