23215465

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 36024912

約数和(自身を除く): 12809447

約数列:

[1, 5, 7, 13, 35, 37, 49, 65, 91, 185, 197, 245, 259, 455, 481, 637, 985, 1295, 1379, 1813, 2405, 2561, 3185, 3367, 6895, 7289, 9065, 9653, 12805, 16835, 17927, 23569, 36445, 48265, 51023, 89635, 94757, 117845, 125489, 255115, 357161, 473785, 627445, 663299, 1785805, 3316495, 4643093, 23215465]

約数ペア:

[(1, 23215465), (5, 4643093), (7, 3316495), (13, 1785805), (35, 663299), (37, 627445), (49, 473785), (65, 357161), (91, 255115), (185, 125489), (197, 117845), (245, 94757), (259, 89635), (455, 51023), (481, 48265), (637, 36445), (985, 23569), (1295, 17927), (1379, 16835), (1813, 12805), (2405, 9653), (2561, 9065), (3185, 7289), (3367, 6895)]