16685994

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 38320128

約数和(自身を除く): 21634134

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 71, 78, 131, 138, 142, 213, 262, 299, 393, 426, 598, 786, 897, 923, 1633, 1703, 1794, 1846, 2769, 3013, 3266, 3406, 4899, 5109, 5538, 6026, 9039, 9301, 9798, 10218, 18078, 18602, 21229, 27903, 39169, 42458, 55806, 63687, 78338, 117507, 120913, 127374, 213923, 235014, 241826, 362739, 427846, 641769, 725478, 1283538, 2780999, 5561998, 8342997, 16685994]

約数ペア:

[(1, 16685994), (2, 8342997), (3, 5561998), (6, 2780999), (13, 1283538), (23, 725478), (26, 641769), (39, 427846), (46, 362739), (69, 241826), (71, 235014), (78, 213923), (131, 127374), (138, 120913), (142, 117507), (213, 78338), (262, 63687), (299, 55806), (393, 42458), (426, 39169), (598, 27903), (786, 21229), (897, 18602), (923, 18078), (1633, 10218), (1703, 9798), (1794, 9301), (1846, 9039), (2769, 6026), (3013, 5538), (3266, 5109), (3406, 4899)]