396989729

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 458680320

約数和(自身を除く): 61690591

約数列:

[1, 17, 23, 29, 157, 223, 391, 493, 667, 2669, 3611, 3791, 4553, 5129, 6467, 11339, 35011, 61387, 77401, 87193, 104719, 109939, 148741, 595187, 805253, 1015319, 1780223, 2528597, 13689301, 17260423, 23352337, 396989729]

約数ペア:

[(1, 396989729), (17, 23352337), (23, 17260423), (29, 13689301), (157, 2528597), (223, 1780223), (391, 1015319), (493, 805253), (667, 595187), (2669, 148741), (3611, 109939), (3791, 104719), (4553, 87193), (5129, 77401), (6467, 61387), (11339, 35011)]