28543075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{383}}^1$

素因数の和:675

約数の個数: 24

約数和(自身を含む): 38854656

約数和(自身を除く): 10311581

約数列:

[1, 5, 11, 25, 55, 271, 275, 383, 1355, 1915, 2981, 4213, 6775, 9575, 14905, 21065, 74525, 103793, 105325, 518965, 1141723, 2594825, 5708615, 28543075]

約数ペア:

[(1, 28543075), (5, 5708615), (11, 2594825), (25, 1141723), (55, 518965), (271, 105325), (275, 103793), (383, 74525), (1355, 21065), (1915, 14905), (2981, 9575), (4213, 6775)]