199954885

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{2851}}^1$

素因数の和:2965

約数の個数: 24

約数和(自身を含む): 263045664

約数和(自身を除く): 63090779

約数列:

[1, 5, 13, 65, 83, 169, 415, 845, 1079, 2851, 5395, 14027, 14255, 37063, 70135, 185315, 236633, 481819, 1183165, 2409095, 3076229, 15381145, 39990977, 199954885]

約数ペア:

[(1, 199954885), (5, 39990977), (13, 15381145), (65, 3076229), (83, 2409095), (169, 1183165), (415, 481819), (845, 236633), (1079, 185315), (2851, 70135), (5395, 37063), (14027, 14255)]