2187498025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{16273}}^1$

素因数の和:16585

約数の個数: 24

約数和(自身を含む): 2865525920

約数和(自身を除く): 678027895

約数列:

[1, 5, 19, 25, 95, 283, 475, 1415, 5377, 7075, 16273, 26885, 81365, 134425, 309187, 406825, 1545935, 4605259, 7729675, 23026295, 87499921, 115131475, 437499605, 2187498025]

約数ペア:

[(1, 2187498025), (5, 437499605), (19, 115131475), (25, 87499921), (95, 23026295), (283, 7729675), (475, 4605259), (1415, 1545935), (5377, 406825), (7075, 309187), (16273, 134425), (26885, 81365)]