2153156

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{691}}^1$

素因数の和:755

約数の個数: 24

約数和(自身を含む): 4068960

約数和(自身を除く): 1915804

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 691, 779, 1382, 1558, 2764, 3116, 13129, 26258, 28331, 52516, 56662, 113324, 538289, 1076578, 2153156]

約数ペア:

[(1, 2153156), (2, 1076578), (4, 538289), (19, 113324), (38, 56662), (41, 52516), (76, 28331), (82, 26258), (164, 13129), (691, 3116), (779, 2764), (1382, 1558)]