12471875

素因数分解:

$5^5\times {\mathrm{13}}^1\times {\mathrm{307}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 16842672

約数和(自身を除く): 4370797

約数列:

[1, 5, 13, 25, 65, 125, 307, 325, 625, 1535, 1625, 3125, 3991, 7675, 8125, 19955, 38375, 40625, 99775, 191875, 498875, 959375, 2494375, 12471875]

約数ペア:

[(1, 12471875), (5, 2494375), (13, 959375), (25, 498875), (65, 191875), (125, 99775), (307, 40625), (325, 38375), (625, 19955), (1535, 8125), (1625, 7675), (3125, 3991)]