845215

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:103

約数の個数: 32

約数和(自身を含む): 1290240

約数和(自身を除く): 445025

約数列:

[1, 5, 7, 19, 31, 35, 41, 95, 133, 155, 205, 217, 287, 589, 665, 779, 1085, 1271, 1435, 2945, 3895, 4123, 5453, 6355, 8897, 20615, 24149, 27265, 44485, 120745, 169043, 845215]

約数ペア:

[(1, 845215), (5, 169043), (7, 120745), (19, 44485), (31, 27265), (35, 24149), (41, 20615), (95, 8897), (133, 6355), (155, 5453), (205, 4123), (217, 3895), (287, 2945), (589, 1435), (665, 1271), (779, 1085)]