28407575

素因数分解:

$5^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{599}}^1$

素因数の和:887

約数の個数: 24

約数和(自身を含む): 40473600

約数和(自身を除く): 12066025

約数列:

[1, 5, 7, 25, 35, 175, 271, 599, 1355, 1897, 2995, 4193, 6775, 9485, 14975, 20965, 47425, 104825, 162329, 811645, 1136303, 4058225, 5681515, 28407575]

約数ペア:

[(1, 28407575), (5, 5681515), (7, 4058225), (25, 1136303), (35, 811645), (175, 162329), (271, 104825), (599, 47425), (1355, 20965), (1897, 14975), (2995, 9485), (4193, 6775)]