28856825

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{599}}^1$

素因数の和:697

約数の個数: 24

約数和(自身を含む): 37497600

約数和(自身を除く): 8640775

約数列:

[1, 5, 25, 41, 47, 205, 235, 599, 1025, 1175, 1927, 2995, 9635, 14975, 24559, 28153, 48175, 122795, 140765, 613975, 703825, 1154273, 5771365, 28856825]

約数ペア:

[(1, 28856825), (5, 5771365), (25, 1154273), (41, 703825), (47, 613975), (205, 140765), (235, 122795), (599, 48175), (1025, 28153), (1175, 24559), (1927, 14975), (2995, 9635)]