291208970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{172313}}^1$

素因数の和:172346

約数の個数: 24

約数和(自身を含む): 567602316

約数和(自身を除く): 276393346

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 172313, 344626, 861565, 1723130, 2240069, 4480138, 11200345, 22400690, 29120897, 58241794, 145604485, 291208970]

約数ペア:

[(1, 291208970), (2, 145604485), (5, 58241794), (10, 29120897), (13, 22400690), (26, 11200345), (65, 4480138), (130, 2240069), (169, 1723130), (338, 861565), (845, 344626), (1690, 172313)]