393358765

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 502951680

約数和(自身を除く): 109592915

約数列:

[1, 5, 23, 97, 115, 179, 197, 485, 895, 985, 2231, 4117, 4531, 11155, 17363, 19109, 20585, 22655, 35263, 86815, 95545, 176315, 399349, 439507, 811049, 1996745, 2197535, 3420511, 4055245, 17102555, 78671753, 393358765]

約数ペア:

[(1, 393358765), (5, 78671753), (23, 17102555), (97, 4055245), (115, 3420511), (179, 2197535), (197, 1996745), (485, 811049), (895, 439507), (985, 399349), (2231, 176315), (4117, 95545), (4531, 86815), (11155, 35263), (17363, 22655), (19109, 20585)]