81379124

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{1693}}^1$

素因数の和:1955

約数の個数: 24

約数和(自身を含む): 145568808

約数和(自身を除く): 64189684

約数列:

[1, 2, 4, 61, 122, 197, 244, 394, 788, 1693, 3386, 6772, 12017, 24034, 48068, 103273, 206546, 333521, 413092, 667042, 1334084, 20344781, 40689562, 81379124]

約数ペア:

[(1, 81379124), (2, 40689562), (4, 20344781), (61, 1334084), (122, 667042), (197, 413092), (244, 333521), (394, 206546), (788, 103273), (1693, 48068), (3386, 24034), (6772, 12017)]