40347895

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{907}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 58576896

約数和(自身を除く): 18229001

約数列:

[1, 5, 7, 31, 35, 41, 155, 205, 217, 287, 907, 1085, 1271, 1435, 4535, 6349, 6355, 8897, 28117, 31745, 37187, 44485, 140585, 185935, 196819, 260309, 984095, 1152797, 1301545, 5763985, 8069579, 40347895]

約数ペア:

[(1, 40347895), (5, 8069579), (7, 5763985), (31, 1301545), (35, 1152797), (41, 984095), (155, 260309), (205, 196819), (217, 185935), (287, 140585), (907, 44485), (1085, 37187), (1271, 31745), (1435, 28117), (4535, 8897), (6349, 6355)]