2100475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:327

約数の個数: 24

約数和(自身を含む): 2937312

約数和(自身を除く): 836837

約数列:

[1, 5, 13, 23, 25, 65, 115, 281, 299, 325, 575, 1405, 1495, 3653, 6463, 7025, 7475, 18265, 32315, 84019, 91325, 161575, 420095, 2100475]

約数ペア:

[(1, 2100475), (5, 420095), (13, 161575), (23, 91325), (25, 84019), (65, 32315), (115, 18265), (281, 7475), (299, 7025), (325, 6463), (575, 3653), (1405, 1495)]