620478352

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{2983069}}^1$

素因数の和:2983090

約数の個数: 20

約数和(自身を含む): 1294652380

約数和(自身を除く): 674174028

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 2983069, 5966138, 11932276, 23864552, 38779897, 47729104, 77559794, 155119588, 310239176, 620478352]

約数ペア:

[(1, 620478352), (2, 310239176), (4, 155119588), (8, 77559794), (13, 47729104), (16, 38779897), (26, 23864552), (52, 11932276), (104, 5966138), (208, 2983069)]