201797519

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{367}}^1$

素因数の和:615

約数の個数: 32

約数和(自身を含む): 260438016

約数和(自身を除く): 58640497

約数列:

[1, 7, 11, 37, 77, 193, 259, 367, 407, 1351, 2123, 2569, 2849, 4037, 7141, 13579, 14861, 28259, 49987, 70831, 78551, 95053, 149369, 495817, 549857, 779141, 1045583, 2620747, 5453987, 18345229, 28828217, 201797519]

約数ペア:

[(1, 201797519), (7, 28828217), (11, 18345229), (37, 5453987), (77, 2620747), (193, 1045583), (259, 779141), (367, 549857), (407, 495817), (1351, 149369), (2123, 95053), (2569, 78551), (2849, 70831), (4037, 49987), (7141, 28259), (13579, 14861)]