1399681985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{525209}}^1$

素因数の和:525268

約数の個数: 16

約数和(自身を含む): 1852940880

約数和(自身を除く): 453258895

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 525209, 2626045, 6827717, 21533569, 34138585, 107667845, 279936397, 1399681985]

約数ペア:

[(1, 1399681985), (5, 279936397), (13, 107667845), (41, 34138585), (65, 21533569), (205, 6827717), (533, 2626045), (2665, 525209)]