25721972

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:468

約数の個数: 36

約数和(自身を含む): 48646080

約数和(自身を除く): 22924108

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 361, 379, 722, 758, 893, 1444, 1516, 1786, 3572, 7201, 14402, 16967, 17813, 28804, 33934, 35626, 67868, 71252, 136819, 273638, 338447, 547276, 676894, 1353788, 6430493, 12860986, 25721972]

約数ペア:

[(1, 25721972), (2, 12860986), (4, 6430493), (19, 1353788), (38, 676894), (47, 547276), (76, 338447), (94, 273638), (188, 136819), (361, 71252), (379, 67868), (722, 35626), (758, 33934), (893, 28804), (1444, 17813), (1516, 16967), (1786, 14402), (3572, 7201)]