81481544

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{4021}}^1$

素因数の和:4193

約数の個数: 32

約数和(自身を含む): 162891000

約数和(自身を除く): 81409456

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 149, 298, 596, 1192, 2533, 4021, 5066, 8042, 10132, 16084, 20264, 32168, 68357, 136714, 273428, 546856, 599129, 1198258, 2396516, 4793032, 10185193, 20370386, 40740772, 81481544]

約数ペア:

[(1, 81481544), (2, 40740772), (4, 20370386), (8, 10185193), (17, 4793032), (34, 2396516), (68, 1198258), (136, 599129), (149, 546856), (298, 273428), (596, 136714), (1192, 68357), (2533, 32168), (4021, 20264), (5066, 16084), (8042, 10132)]