669318055

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{26821}}^1$

素因数の和:26887

約数の個数: 32

約数和(自身を含む): 988766208

約数和(自身を除く): 319448153

約数列:

[1, 5, 7, 23, 31, 35, 115, 155, 161, 217, 713, 805, 1085, 3565, 4991, 24955, 26821, 134105, 187747, 616883, 831451, 938735, 3084415, 4157255, 4318181, 5820157, 19123373, 21590905, 29100785, 95616865, 133863611, 669318055]

約数ペア:

[(1, 669318055), (5, 133863611), (7, 95616865), (23, 29100785), (31, 21590905), (35, 19123373), (115, 5820157), (155, 4318181), (161, 4157255), (217, 3084415), (713, 938735), (805, 831451), (1085, 616883), (3565, 187747), (4991, 134105), (24955, 26821)]