66801475

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:296

約数の個数: 36

約数和(自身を含む): 91176456

約数和(自身を除く): 24374981

約数列:

[1, 5, 13, 25, 65, 97, 163, 169, 325, 485, 815, 845, 1261, 2119, 2425, 4075, 4225, 6305, 10595, 15811, 16393, 27547, 31525, 52975, 79055, 81965, 137735, 205543, 395275, 409825, 688675, 1027715, 2672059, 5138575, 13360295, 66801475]

約数ペア:

[(1, 66801475), (5, 13360295), (13, 5138575), (25, 2672059), (65, 1027715), (97, 688675), (163, 409825), (169, 395275), (325, 205543), (485, 137735), (815, 81965), (845, 79055), (1261, 52975), (2119, 31525), (2425, 27547), (4075, 16393), (4225, 15811), (6305, 10595)]