28203875

素因数分解:

$5^3\times 7^1\times {\mathrm{32233}}^1$

素因数の和:32255

約数の個数: 16

約数和(自身を含む): 40228032

約数和(自身を除く): 12024157

約数列:

[1, 5, 7, 25, 35, 125, 175, 875, 32233, 161165, 225631, 805825, 1128155, 4029125, 5640775, 28203875]

約数ペア:

[(1, 28203875), (5, 5640775), (7, 4029125), (25, 1128155), (35, 805825), (125, 225631), (175, 161165), (875, 32233)]