156640392665

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{8521}}^1\times {\mathrm{9403}}^1$

素因数の和:17969

約数の個数: 32

約数和(自身を含む): 207725181696

約数和(自身を除く): 51084789031

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 8521, 9403, 42605, 47015, 144857, 159851, 195983, 216269, 724285, 799255, 979915, 1081345, 3331711, 3676573, 16658555, 18382865, 80122963, 400614815, 1362090371, 1842828149, 6810451855, 9214140745, 31328078533, 156640392665]

約数ペア:

[(1, 156640392665), (5, 31328078533), (17, 9214140745), (23, 6810451855), (85, 1842828149), (115, 1362090371), (391, 400614815), (1955, 80122963), (8521, 18382865), (9403, 16658555), (42605, 3676573), (47015, 3331711), (144857, 1081345), (159851, 979915), (195983, 799255), (216269, 724285)]