23905915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 8753285

約数列:

[1, 5, 11, 53, 55, 59, 139, 265, 295, 583, 649, 695, 1529, 2915, 3127, 3245, 7367, 7645, 8201, 15635, 34397, 36835, 41005, 81037, 90211, 171985, 405185, 434653, 451055, 2173265, 4781183, 23905915]

約数ペア:

[(1, 23905915), (5, 4781183), (11, 2173265), (53, 451055), (55, 434653), (59, 405185), (139, 171985), (265, 90211), (295, 81037), (583, 41005), (649, 36835), (695, 34397), (1529, 15635), (2915, 8201), (3127, 7645), (3245, 7367)]