128857388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{12569}}^1$

素因数の和:12817

約数の個数: 24

約数和(自身を含む): 247075920

約数和(自身を除く): 118218532

約数列:

[1, 2, 4, 11, 22, 44, 233, 466, 932, 2563, 5126, 10252, 12569, 25138, 50276, 138259, 276518, 553036, 2928577, 5857154, 11714308, 32214347, 64428694, 128857388]

約数ペア:

[(1, 128857388), (2, 64428694), (4, 32214347), (11, 11714308), (22, 5857154), (44, 2928577), (233, 553036), (466, 276518), (932, 138259), (2563, 50276), (5126, 25138), (10252, 12569)]