870870256

素因数分解:

$2^4\times {\mathrm{521}}^1\times {\mathrm{104471}}^1$

素因数の和:105000

約数の個数: 20

約数和(自身を含む): 1690565904

約数和(自身を除く): 819695648

約数列:

[1, 2, 4, 8, 16, 521, 1042, 2084, 4168, 8336, 104471, 208942, 417884, 835768, 1671536, 54429391, 108858782, 217717564, 435435128, 870870256]

約数ペア:

[(1, 870870256), (2, 435435128), (4, 217717564), (8, 108858782), (16, 54429391), (521, 1671536), (1042, 835768), (2084, 417884), (4168, 208942), (8336, 104471)]