311293318

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{1489}}^1$

素因数の和:1744

約数の個数: 32

約数和(自身を含む): 542836800

約数和(自身を除く): 231543482

約数列:

[1, 2, 7, 14, 109, 137, 218, 274, 763, 959, 1489, 1526, 1918, 2978, 10423, 14933, 20846, 29866, 104531, 162301, 203993, 209062, 324602, 407986, 1136107, 1427951, 2272214, 2855902, 22235237, 44470474, 155646659, 311293318]

約数ペア:

[(1, 311293318), (2, 155646659), (7, 44470474), (14, 22235237), (109, 2855902), (137, 2272214), (218, 1427951), (274, 1136107), (763, 407986), (959, 324602), (1489, 209062), (1526, 203993), (1918, 162301), (2978, 104531), (10423, 29866), (14933, 20846)]