644175145

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{2609}}^1$

素因数の和:2769

約数の個数: 32

約数和(自身を含む): 856915200

約数和(自身を除く): 212740055

約数列:

[1, 5, 19, 23, 95, 113, 115, 437, 565, 2147, 2185, 2599, 2609, 10735, 12995, 13045, 49381, 49571, 60007, 246905, 247855, 294817, 300035, 1140133, 1474085, 5601523, 5700665, 6780791, 28007615, 33903955, 128835029, 644175145]

約数ペア:

[(1, 644175145), (5, 128835029), (19, 33903955), (23, 28007615), (95, 6780791), (113, 5700665), (115, 5601523), (437, 1474085), (565, 1140133), (2147, 300035), (2185, 294817), (2599, 247855), (2609, 246905), (10735, 60007), (12995, 49571), (13045, 49381)]