28668815

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{2269}}^1$

素因数の和:2319

約数の個数: 24

約数和(自身を含む): 41513760

約数和(自身を除く): 12844945

約数列:

[1, 5, 7, 19, 35, 95, 133, 361, 665, 1805, 2269, 2527, 11345, 12635, 15883, 43111, 79415, 215555, 301777, 819109, 1508885, 4095545, 5733763, 28668815]

約数ペア:

[(1, 28668815), (5, 5733763), (7, 4095545), (19, 1508885), (35, 819109), (95, 301777), (133, 215555), (361, 79415), (665, 43111), (1805, 15883), (2269, 12635), (2527, 11345)]