321009116

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{4721}}^1$

素因数の和:5005

約数の個数: 24

約数和(自身を含む): 571173120

約数和(自身を除く): 250164004

約数列:

[1, 2, 4, 89, 178, 191, 356, 382, 764, 4721, 9442, 16999, 18884, 33998, 67996, 420169, 840338, 901711, 1680676, 1803422, 3606844, 80252279, 160504558, 321009116]

約数ペア:

[(1, 321009116), (2, 160504558), (4, 80252279), (89, 3606844), (178, 1803422), (191, 1680676), (356, 901711), (382, 840338), (764, 420169), (4721, 67996), (9442, 33998), (16999, 18884)]