64864765

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{947}}^1$

素因数の和:1081

約数の個数: 32

約数和(自身を含む): 94648320

約数和(自身を除く): 29783555

約数列:

[1, 5, 7, 19, 35, 95, 103, 133, 515, 665, 721, 947, 1957, 3605, 4735, 6629, 9785, 13699, 17993, 33145, 68495, 89965, 97541, 125951, 487705, 629755, 682787, 1853279, 3413935, 9266395, 12972953, 64864765]

約数ペア:

[(1, 64864765), (5, 12972953), (7, 9266395), (19, 3413935), (35, 1853279), (95, 682787), (103, 629755), (133, 487705), (515, 125951), (665, 97541), (721, 89965), (947, 68495), (1957, 33145), (3605, 17993), (4735, 13699), (6629, 9785)]