98490025

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1091}}^1$

素因数の和:1281

約数の個数: 24

約数和(自身を含む): 128366784

約数和(自身を除く): 29876759

約数列:

[1, 5, 23, 25, 115, 157, 575, 785, 1091, 3611, 3925, 5455, 18055, 25093, 27275, 90275, 125465, 171287, 627325, 856435, 3939601, 4282175, 19698005, 98490025]

約数ペア:

[(1, 98490025), (5, 19698005), (23, 4282175), (25, 3939601), (115, 856435), (157, 627325), (575, 171287), (785, 125465), (1091, 90275), (3611, 27275), (3925, 25093), (5455, 18055)]