1999448425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{1091}}^1\times {\mathrm{5639}}^1$

素因数の和:6753

約数の個数: 24

約数和(自身を含む): 2672953920

約数和(自身を除く): 673505495

約数列:

[1, 5, 13, 25, 65, 325, 1091, 5455, 5639, 14183, 27275, 28195, 70915, 73307, 140975, 354575, 366535, 1832675, 6152149, 30760745, 79977937, 153803725, 399889685, 1999448425]

約数ペア:

[(1, 1999448425), (5, 399889685), (13, 153803725), (25, 79977937), (65, 30760745), (325, 6152149), (1091, 1832675), (5455, 366535), (5639, 354575), (14183, 140975), (27275, 73307), (28195, 70915)]