123987175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{8117}}^1$

素因数の和:8187

約数の個数: 24

約数和(自身を含む): 169114176

約数和(自身を除く): 45127001

約数列:

[1, 5, 13, 25, 47, 65, 235, 325, 611, 1175, 3055, 8117, 15275, 40585, 105521, 202925, 381499, 527605, 1907495, 2638025, 4959487, 9537475, 24797435, 123987175]

約数ペア:

[(1, 123987175), (5, 24797435), (13, 9537475), (25, 4959487), (47, 2638025), (65, 1907495), (235, 527605), (325, 381499), (611, 202925), (1175, 105521), (3055, 40585), (8117, 15275)]