15989848865

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{409}}^1\times {\mathrm{3511}}^1$

素因数の和:4073

約数の個数: 32

約数和(自身を含む): 20527499520

約数和(自身を除く): 4537650655

約数列:

[1, 5, 17, 85, 131, 409, 655, 2045, 2227, 3511, 6953, 11135, 17555, 34765, 53579, 59687, 267895, 298435, 459941, 910843, 1435999, 2299705, 4554215, 7179995, 7818997, 24411983, 39094985, 122059915, 188115869, 940579345, 3197969773, 15989848865]

約数ペア:

[(1, 15989848865), (5, 3197969773), (17, 940579345), (85, 188115869), (131, 122059915), (409, 39094985), (655, 24411983), (2045, 7818997), (2227, 7179995), (3511, 4554215), (6953, 2299705), (11135, 1435999), (17555, 910843), (34765, 459941), (53579, 298435), (59687, 267895)]