15943998

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 38320128

約数和(自身を除く): 22376130

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 47, 82, 94, 123, 141, 197, 246, 282, 287, 329, 394, 574, 591, 658, 861, 987, 1182, 1379, 1722, 1927, 1974, 2758, 3854, 4137, 5781, 8077, 8274, 9259, 11562, 13489, 16154, 18518, 24231, 26978, 27777, 40467, 48462, 55554, 56539, 64813, 80934, 113078, 129626, 169617, 194439, 339234, 379619, 388878, 759238, 1138857, 2277714, 2657333, 5314666, 7971999, 15943998]

約数ペア:

[(1, 15943998), (2, 7971999), (3, 5314666), (6, 2657333), (7, 2277714), (14, 1138857), (21, 759238), (41, 388878), (42, 379619), (47, 339234), (82, 194439), (94, 169617), (123, 129626), (141, 113078), (197, 80934), (246, 64813), (282, 56539), (287, 55554), (329, 48462), (394, 40467), (574, 27777), (591, 26978), (658, 24231), (861, 18518), (987, 16154), (1182, 13489), (1379, 11562), (1722, 9259), (1927, 8274), (1974, 8077), (2758, 5781), (3854, 4137)]