664581604

素因数分解:

$2^2\times {\mathrm{193}}^1\times {\mathrm{389}}^1\times {\mathrm{2213}}^1$

素因数の和:2799

約数の個数: 24

約数和(自身を含む): 1172578680

約数和(自身を除く): 507997076

約数列:

[1, 2, 4, 193, 386, 389, 772, 778, 1556, 2213, 4426, 8852, 75077, 150154, 300308, 427109, 854218, 860857, 1708436, 1721714, 3443428, 166145401, 332290802, 664581604]

約数ペア:

[(1, 664581604), (2, 332290802), (4, 166145401), (193, 3443428), (386, 1721714), (389, 1708436), (772, 860857), (778, 854218), (1556, 427109), (2213, 300308), (4426, 150154), (8852, 75077)]