25978477

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:170

約数の個数: 32

約数和(自身を含む): 32832000

約数和(自身を除く): 6853523

約数列:

[1, 7, 23, 37, 49, 89, 161, 259, 343, 623, 851, 1127, 1813, 2047, 3293, 4361, 5957, 7889, 12691, 14329, 23051, 30527, 41699, 75739, 100303, 161357, 291893, 530173, 702121, 1129499, 3711211, 25978477]

約数ペア:

[(1, 25978477), (7, 3711211), (23, 1129499), (37, 702121), (49, 530173), (89, 291893), (161, 161357), (259, 100303), (343, 75739), (623, 41699), (851, 30527), (1127, 23051), (1813, 14329), (2047, 12691), (3293, 7889), (4361, 5957)]