291217930

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{3037}}^1$

素因数の和:3310

約数の個数: 32

約数和(自身を含む): 538965504

約数和(自身を除く): 247747574

約数列:

[1, 2, 5, 10, 43, 86, 215, 223, 430, 446, 1115, 2230, 3037, 6074, 9589, 15185, 19178, 30370, 47945, 95890, 130591, 261182, 652955, 677251, 1305910, 1354502, 3386255, 6772510, 29121793, 58243586, 145608965, 291217930]

約数ペア:

[(1, 291217930), (2, 145608965), (5, 58243586), (10, 29121793), (43, 6772510), (86, 3386255), (215, 1354502), (223, 1305910), (430, 677251), (446, 652955), (1115, 261182), (2230, 130591), (3037, 95890), (6074, 47945), (9589, 30370), (15185, 19178)]