639302028

素因数分解:

$2^2\times 3^1\times {\mathrm{991}}^1\times {\mathrm{53759}}^1$

素因数の和:54757

約数の個数: 24

約数和(自身を含む): 1493237760

約数和(自身を除く): 853935732

約数列:

[1, 2, 3, 4, 6, 12, 991, 1982, 2973, 3964, 5946, 11892, 53759, 107518, 161277, 215036, 322554, 645108, 53275169, 106550338, 159825507, 213100676, 319651014, 639302028]

約数ペア:

[(1, 639302028), (2, 319651014), (3, 213100676), (4, 159825507), (6, 106550338), (12, 53275169), (991, 645108), (1982, 322554), (2973, 215036), (3964, 161277), (5946, 107518), (11892, 53759)]