31640778

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5879}}^1$

素因数の和:5923

約数の個数: 48

約数和(自身を含む): 77051520

約数和(自身を除く): 45410742

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 39, 46, 69, 78, 117, 138, 207, 234, 299, 414, 598, 897, 1794, 2691, 5382, 5879, 11758, 17637, 35274, 52911, 76427, 105822, 135217, 152854, 229281, 270434, 405651, 458562, 687843, 811302, 1216953, 1375686, 1757821, 2433906, 3515642, 5273463, 10546926, 15820389, 31640778]

約数ペア:

[(1, 31640778), (2, 15820389), (3, 10546926), (6, 5273463), (9, 3515642), (13, 2433906), (18, 1757821), (23, 1375686), (26, 1216953), (39, 811302), (46, 687843), (69, 458562), (78, 405651), (117, 270434), (138, 229281), (207, 152854), (234, 135217), (299, 105822), (414, 76427), (598, 52911), (897, 35274), (1794, 17637), (2691, 11758), (5382, 5879)]