201645619

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 252274176

約数和(自身を除く): 50628557

約数列:

[1, 7, 17, 43, 119, 157, 251, 301, 731, 1099, 1757, 2669, 4267, 5117, 6751, 10793, 18683, 29869, 39407, 47257, 75551, 114767, 183481, 275849, 669919, 803369, 1284367, 1694501, 4689433, 11861507, 28806517, 201645619]

約数ペア:

[(1, 201645619), (7, 28806517), (17, 11861507), (43, 4689433), (119, 1694501), (157, 1284367), (251, 803369), (301, 669919), (731, 275849), (1099, 183481), (1757, 114767), (2669, 75551), (4267, 47257), (5117, 39407), (6751, 29869), (10793, 18683)]