131738961025

素因数分解:

$5^2\times 7^2\times {\mathrm{107542009}}^1$

素因数の和:107542033

約数の個数: 18

約数和(自身を含む): 190026731670

約数和(自身を除く): 58287770645

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 107542009, 537710045, 752794063, 2688550225, 3763970315, 5269558441, 18819851575, 26347792205, 131738961025]

約数ペア:

[(1, 131738961025), (5, 26347792205), (7, 18819851575), (25, 5269558441), (35, 3763970315), (49, 2688550225), (175, 752794063), (245, 537710045), (1225, 107542009)]