2019776975

素因数分解:

$5^2\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{6121}}^1$

素因数の和:6395

約数の個数: 24

約数和(自身を含む): 2555224848

約数和(自身を除く): 535447873

約数列:

[1, 5, 25, 67, 197, 335, 985, 1675, 4925, 6121, 13199, 30605, 65995, 153025, 329975, 410107, 1205837, 2050535, 6029185, 10252675, 30145925, 80791079, 403955395, 2019776975]

約数ペア:

[(1, 2019776975), (5, 403955395), (25, 80791079), (67, 30145925), (197, 10252675), (335, 6029185), (985, 2050535), (1675, 1205837), (4925, 410107), (6121, 329975), (13199, 153025), (30605, 65995)]