90988513

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 117976320

約数和(自身を除く): 26987807

約数列:

[1, 7, 11, 37, 77, 109, 259, 293, 407, 763, 1199, 2051, 2849, 3223, 4033, 8393, 10841, 22561, 28231, 31937, 44363, 75887, 119251, 223559, 310541, 351307, 834757, 1181669, 2459149, 8271683, 12998359, 90988513]

約数ペア:

[(1, 90988513), (7, 12998359), (11, 8271683), (37, 2459149), (77, 1181669), (109, 834757), (259, 351307), (293, 310541), (407, 223559), (763, 119251), (1199, 75887), (2051, 44363), (2849, 31937), (3223, 28231), (4033, 22561), (8393, 10841)]