156921325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{1423}}^1$

素因数の和:1845

約数の個数: 24

約数和(自身を含む): 212950656

約数和(自身を除く): 56029331

約数列:

[1, 5, 11, 25, 55, 275, 401, 1423, 2005, 4411, 7115, 10025, 15653, 22055, 35575, 78265, 110275, 391325, 570623, 2853115, 6276853, 14265575, 31384265, 156921325]

約数ペア:

[(1, 156921325), (5, 31384265), (11, 14265575), (25, 6276853), (55, 2853115), (275, 570623), (401, 391325), (1423, 110275), (2005, 78265), (4411, 35575), (7115, 22055), (10025, 15653)]