1394448575

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{330047}}^1$

素因数の和:330083

約数の個数: 18

約数和(自身を含む): 1872362304

約数和(自身を除く): 477913729

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 330047, 1650235, 4290611, 8251175, 21453055, 55777943, 107265275, 278889715, 1394448575]

約数ペア:

[(1, 1394448575), (5, 278889715), (13, 107265275), (25, 55777943), (65, 21453055), (169, 8251175), (325, 4290611), (845, 1650235), (4225, 330047)]