28703075

素因数分解:

$5^2\times {\mathrm{41}}^2\times {\mathrm{683}}^1$

素因数の和:775

約数の個数: 18

約数和(自身を含む): 36534492

約数和(自身を除く): 7831417

約数列:

[1, 5, 25, 41, 205, 683, 1025, 1681, 3415, 8405, 17075, 28003, 42025, 140015, 700075, 1148123, 5740615, 28703075]

約数ペア:

[(1, 28703075), (5, 5740615), (25, 1148123), (41, 700075), (205, 140015), (683, 42025), (1025, 28003), (1681, 17075), (3415, 8405)]