12551399

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:124

約数の個数: 32

約数和(自身を含む): 16051200

約数和(自身を除く): 3499801

約数列:

[1, 7, 23, 37, 43, 49, 161, 259, 301, 343, 851, 989, 1127, 1591, 1813, 2107, 5957, 6923, 7889, 11137, 12691, 14749, 36593, 41699, 48461, 77959, 256151, 291893, 339227, 545713, 1793057, 12551399]

約数ペア:

[(1, 12551399), (7, 1793057), (23, 545713), (37, 339227), (43, 291893), (49, 256151), (161, 77959), (259, 48461), (301, 41699), (343, 36593), (851, 14749), (989, 12691), (1127, 11137), (1591, 7889), (1813, 6923), (2107, 5957)]