645481039

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{5623}}^1$

素因数の和:5707

約数の個数: 24

約数和(自身を含む): 796178432

約数和(自身を除く): 150697393

約数列:

[1, 7, 23, 31, 161, 217, 529, 713, 3703, 4991, 5623, 16399, 39361, 114793, 129329, 174313, 905303, 1220191, 2974567, 4009199, 20821969, 28064393, 92211577, 645481039]

約数ペア:

[(1, 645481039), (7, 92211577), (23, 28064393), (31, 20821969), (161, 4009199), (217, 2974567), (529, 1220191), (713, 905303), (3703, 174313), (4991, 129329), (5623, 114793), (16399, 39361)]