291277506

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{70459}}^1$

素因数の和:70530

約数の個数: 32

約数和(自身を含む): 639213120

約数和(自身を除く): 347935614

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 159, 318, 689, 1378, 2067, 4134, 70459, 140918, 211377, 422754, 915967, 1831934, 2747901, 3734327, 5495802, 7468654, 11202981, 22405962, 48546251, 97092502, 145638753, 291277506]

約数ペア:

[(1, 291277506), (2, 145638753), (3, 97092502), (6, 48546251), (13, 22405962), (26, 11202981), (39, 7468654), (53, 5495802), (78, 3734327), (106, 2747901), (159, 1831934), (318, 915967), (689, 422754), (1378, 211377), (2067, 140918), (4134, 70459)]