290748479

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 351783936

約数和(自身を除く): 61035457

約数列:

[1, 7, 37, 71, 97, 163, 259, 497, 679, 1141, 2627, 3589, 6031, 6887, 11573, 15811, 18389, 25123, 42217, 48209, 81011, 110677, 254819, 428201, 585007, 1122581, 1783733, 2997407, 4095049, 7858067, 41535497, 290748479]

約数ペア:

[(1, 290748479), (7, 41535497), (37, 7858067), (71, 4095049), (97, 2997407), (163, 1783733), (259, 1122581), (497, 585007), (679, 428201), (1141, 254819), (2627, 110677), (3589, 81011), (6031, 48209), (6887, 42217), (11573, 25123), (15811, 18389)]