1871122175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{11311}}^1$

素因数の和:11843

約数の個数: 24

約数和(自身を含む): 2503798080

約数和(自身を除く): 632675905

約数列:

[1, 5, 13, 25, 65, 325, 509, 2545, 6617, 11311, 12725, 33085, 56555, 147043, 165425, 282775, 735215, 3676075, 5757299, 28786495, 74844887, 143932475, 374224435, 1871122175]

約数ペア:

[(1, 1871122175), (5, 374224435), (13, 143932475), (25, 74844887), (65, 28786495), (325, 5757299), (509, 3676075), (2545, 735215), (6617, 282775), (11311, 165425), (12725, 147043), (33085, 56555)]