2781142

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:125

約数の個数: 48

約数和(自身を含む): 5458320

約数和(自身を除く): 2677178

約数列:

[1, 2, 7, 13, 14, 26, 37, 49, 59, 74, 91, 98, 118, 182, 259, 413, 481, 518, 637, 767, 826, 962, 1274, 1534, 1813, 2183, 2891, 3367, 3626, 4366, 5369, 5782, 6734, 10738, 15281, 23569, 28379, 30562, 37583, 47138, 56758, 75166, 106967, 198653, 213934, 397306, 1390571, 2781142]

約数ペア:

[(1, 2781142), (2, 1390571), (7, 397306), (13, 213934), (14, 198653), (26, 106967), (37, 75166), (49, 56758), (59, 47138), (74, 37583), (91, 30562), (98, 28379), (118, 23569), (182, 15281), (259, 10738), (413, 6734), (481, 5782), (518, 5369), (637, 4366), (767, 3626), (826, 3367), (962, 2891), (1274, 2183), (1534, 1813)]