51686405

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{509}}^1\times {\mathrm{883}}^1$

素因数の和:1420

約数の個数: 16

約数和(自身を含む): 64920960

約数和(自身を除く): 13234555

約数列:

[1, 5, 23, 115, 509, 883, 2545, 4415, 11707, 20309, 58535, 101545, 449447, 2247235, 10337281, 51686405]

約数ペア:

[(1, 51686405), (5, 10337281), (23, 2247235), (115, 449447), (509, 101545), (883, 58535), (2545, 20309), (4415, 11707)]