66647725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{727}}^1$

素因数の和:949

約数の個数: 24

約数和(自身を含む): 87563840

約数和(自身を除く): 20916115

約数列:

[1, 5, 19, 25, 95, 193, 475, 727, 965, 3635, 3667, 4825, 13813, 18175, 18335, 69065, 91675, 140311, 345325, 701555, 2665909, 3507775, 13329545, 66647725]

約数ペア:

[(1, 66647725), (5, 13329545), (19, 3507775), (25, 2665909), (95, 701555), (193, 345325), (475, 140311), (727, 91675), (965, 69065), (3635, 18335), (3667, 18175), (4825, 13813)]