90587575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1321}}^1$

素因数の和:1555

約数の個数: 24

約数和(自身を含む): 121634576

約数和(自身を除く): 31047001

約数列:

[1, 5, 13, 25, 65, 211, 325, 1055, 1321, 2743, 5275, 6605, 13715, 17173, 33025, 68575, 85865, 278731, 429325, 1393655, 3623503, 6968275, 18117515, 90587575]

約数ペア:

[(1, 90587575), (5, 18117515), (13, 6968275), (25, 3623503), (65, 1393655), (211, 429325), (325, 278731), (1055, 85865), (1321, 68575), (2743, 33025), (5275, 17173), (6605, 13715)]