2861495

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 4462080

約数和(自身を除く): 1600585

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 331, 455, 665, 1235, 1655, 1729, 2317, 4303, 6289, 8645, 11585, 21515, 30121, 31445, 44023, 81757, 150605, 220115, 408785, 572299, 2861495]

約数ペア:

[(1, 2861495), (5, 572299), (7, 408785), (13, 220115), (19, 150605), (35, 81757), (65, 44023), (91, 31445), (95, 30121), (133, 21515), (247, 11585), (331, 8645), (455, 6289), (665, 4303), (1235, 2317), (1655, 1729)]