7728725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:389

約数の個数: 24

約数和(自身を含む): 10311840

約数和(自身を除く): 2583115

約数列:

[1, 5, 19, 25, 53, 95, 265, 307, 475, 1007, 1325, 1535, 5035, 5833, 7675, 16271, 25175, 29165, 81355, 145825, 309149, 406775, 1545745, 7728725]

約数ペア:

[(1, 7728725), (5, 1545745), (19, 406775), (25, 309149), (53, 145825), (95, 81355), (265, 29165), (307, 25175), (475, 16271), (1007, 7675), (1325, 5833), (1535, 5035)]