90515986

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{37}}^1\times {\mathrm{919}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 153544320

約数和(自身を除く): 63028334

約数列:

[1, 2, 11, 22, 37, 74, 121, 242, 407, 814, 919, 1331, 1838, 2662, 4477, 8954, 10109, 20218, 34003, 49247, 68006, 98494, 111199, 222398, 374033, 748066, 1223189, 2446378, 4114363, 8228726, 45257993, 90515986]

約数ペア:

[(1, 90515986), (2, 45257993), (11, 8228726), (22, 4114363), (37, 2446378), (74, 1223189), (121, 748066), (242, 374033), (407, 222398), (814, 111199), (919, 98494), (1331, 68006), (1838, 49247), (2662, 34003), (4477, 20218), (8954, 10109)]