16956401

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:381

約数の個数: 24

約数和(自身を含む): 21762144

約数和(自身を除く): 4805743

約数列:

[1, 7, 11, 49, 77, 163, 193, 539, 1141, 1351, 1793, 2123, 7987, 9457, 12551, 14861, 31459, 87857, 104027, 220213, 346049, 1541491, 2422343, 16956401]

約数ペア:

[(1, 16956401), (7, 2422343), (11, 1541491), (49, 346049), (77, 220213), (163, 104027), (193, 87857), (539, 31459), (1141, 14861), (1351, 12551), (1793, 9457), (2123, 7987)]