64440415

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{971}}^1\times {\mathrm{1021}}^1$

素因数の和:2010

約数の個数: 16

約数和(自身を含む): 83444256

約数和(自身を除く): 19003841

約数列:

[1, 5, 13, 65, 971, 1021, 4855, 5105, 12623, 13273, 63115, 66365, 991391, 4956955, 12888083, 64440415]

約数ペア:

[(1, 64440415), (5, 12888083), (13, 4956955), (65, 991391), (971, 66365), (1021, 63115), (4855, 13273), (5105, 12623)]