9978889305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{278701}}^1$

素因数の和:278758

約数の個数: 64

約数和(自身を含む): 20548141056

約数和(自身を除く): 10569251751

約数列:

[1, 3, 5, 7, 11, 15, 21, 31, 33, 35, 55, 77, 93, 105, 155, 165, 217, 231, 341, 385, 465, 651, 1023, 1085, 1155, 1705, 2387, 3255, 5115, 7161, 11935, 35805, 278701, 836103, 1393505, 1950907, 3065711, 4180515, 5852721, 8639731, 9197133, 9754535, 15328555, 21459977, 25919193, 29263605, 43198655, 45985665, 60478117, 64379931, 95037041, 107299885, 129595965, 181434351, 285111123, 302390585, 321899655, 475185205, 665259287, 907171755, 1425555615, 1995777861, 3326296435, 9978889305]

約数ペア:

[(1, 9978889305), (3, 3326296435), (5, 1995777861), (7, 1425555615), (11, 907171755), (15, 665259287), (21, 475185205), (31, 321899655), (33, 302390585), (35, 285111123), (55, 181434351), (77, 129595965), (93, 107299885), (105, 95037041), (155, 64379931), (165, 60478117), (217, 45985665), (231, 43198655), (341, 29263605), (385, 25919193), (465, 21459977), (651, 15328555), (1023, 9754535), (1085, 9197133), (1155, 8639731), (1705, 5852721), (2387, 4180515), (3255, 3065711), (5115, 1950907), (7161, 1393505), (11935, 836103), (35805, 278701)]