72166445

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{65309}}^1$

素因数の和:65344

約数の個数: 16

約数和(自身を含む): 98748720

約数和(自身を除く): 26582275

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 65309, 326545, 849017, 1110253, 4245085, 5551265, 14433289, 72166445]

約数ペア:

[(1, 72166445), (5, 14433289), (13, 5551265), (17, 4245085), (65, 1110253), (85, 849017), (221, 326545), (1105, 65309)]