28703870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11621}}^1$

素因数の和:11660

約数の個数: 32

約数和(自身を含む): 58574880

約数和(自身を除く): 29871010

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 11621, 23242, 58105, 116210, 151073, 220799, 302146, 441598, 755365, 1103995, 1510730, 2207990, 2870387, 5740774, 14351935, 28703870]

約数ペア:

[(1, 28703870), (2, 14351935), (5, 5740774), (10, 2870387), (13, 2207990), (19, 1510730), (26, 1103995), (38, 755365), (65, 441598), (95, 302146), (130, 220799), (190, 151073), (247, 116210), (494, 58105), (1235, 23242), (2470, 11621)]