219442015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{449}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 290908800

約数和(自身を除く): 71466785

約数列:

[1, 5, 13, 65, 73, 103, 365, 449, 515, 949, 1339, 2245, 4745, 5837, 6695, 7519, 29185, 32777, 37595, 46247, 97747, 163885, 231235, 426101, 488735, 601211, 2130505, 3006055, 3376031, 16880155, 43888403, 219442015]

約数ペア:

[(1, 219442015), (5, 43888403), (13, 16880155), (65, 3376031), (73, 3006055), (103, 2130505), (365, 601211), (449, 488735), (515, 426101), (949, 231235), (1339, 163885), (2245, 97747), (4745, 46247), (5837, 37595), (6695, 32777), (7519, 29185)]