1390449968

素因数分解:

$2^4\times {\mathrm{439}}^1\times {\mathrm{197957}}^1$

素因数の和:198404

約数の個数: 20

約数和(自身を含む): 2700147120

約数和(自身を除く): 1309697152

約数列:

[1, 2, 4, 8, 16, 439, 878, 1756, 3512, 7024, 197957, 395914, 791828, 1583656, 3167312, 86903123, 173806246, 347612492, 695224984, 1390449968]

約数ペア:

[(1, 1390449968), (2, 695224984), (4, 347612492), (8, 173806246), (16, 86903123), (439, 3167312), (878, 1583656), (1756, 791828), (3512, 395914), (7024, 197957)]