291211510

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{827}}^1\times {\mathrm{1531}}^1$

素因数の和:2388

約数の個数: 32

約数和(自身を含む): 547990272

約数和(自身を除く): 256778762

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 827, 1531, 1654, 3062, 4135, 7655, 8270, 15310, 19021, 35213, 38042, 70426, 95105, 176065, 190210, 352130, 1266137, 2532274, 6330685, 12661370, 29121151, 58242302, 145605755, 291211510]

約数ペア:

[(1, 291211510), (2, 145605755), (5, 58242302), (10, 29121151), (23, 12661370), (46, 6330685), (115, 2532274), (230, 1266137), (827, 352130), (1531, 190210), (1654, 176065), (3062, 95105), (4135, 70426), (7655, 38042), (8270, 35213), (15310, 19021)]