1569808721

素因数分解:

${\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{2011}}^1$

素因数の和:2217

約数の個数: 24

約数和(自身を含む): 1767340800

約数和(自身を除く): 197532079

約数列:

[1, 13, 31, 149, 169, 403, 1937, 2011, 4619, 5239, 25181, 26143, 60047, 62341, 299639, 339859, 780611, 810433, 3895307, 9288809, 10535629, 50638991, 120754517, 1569808721]

約数ペア:

[(1, 1569808721), (13, 120754517), (31, 50638991), (149, 10535629), (169, 9288809), (403, 3895307), (1937, 810433), (2011, 780611), (4619, 339859), (5239, 299639), (25181, 62341), (26143, 60047)]