64321985

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{379}}^1$

素因数の和:777

約数の個数: 32

約数和(自身を含む): 95504640

約数和(自身を除く): 31182655

約数列:

[1, 5, 7, 13, 35, 65, 91, 373, 379, 455, 1865, 1895, 2611, 2653, 4849, 4927, 13055, 13265, 24245, 24635, 33943, 34489, 141367, 169715, 172445, 706835, 989569, 1837771, 4947845, 9188855, 12864397, 64321985]

約数ペア:

[(1, 64321985), (5, 12864397), (7, 9188855), (13, 4947845), (35, 1837771), (65, 989569), (91, 706835), (373, 172445), (379, 169715), (455, 141367), (1865, 34489), (1895, 33943), (2611, 24635), (2653, 24245), (4849, 13265), (4927, 13055)]