2891238

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:149

約数の個数: 64

約数和(自身を含む): 7160832

約数和(自身を除く): 4269594

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 41, 42, 46, 69, 73, 82, 123, 138, 146, 161, 219, 246, 287, 322, 438, 483, 511, 574, 861, 943, 966, 1022, 1533, 1679, 1722, 1886, 2829, 2993, 3066, 3358, 5037, 5658, 5986, 6601, 8979, 10074, 11753, 13202, 17958, 19803, 20951, 23506, 35259, 39606, 41902, 62853, 68839, 70518, 125706, 137678, 206517, 413034, 481873, 963746, 1445619, 2891238]

約数ペア:

[(1, 2891238), (2, 1445619), (3, 963746), (6, 481873), (7, 413034), (14, 206517), (21, 137678), (23, 125706), (41, 70518), (42, 68839), (46, 62853), (69, 41902), (73, 39606), (82, 35259), (123, 23506), (138, 20951), (146, 19803), (161, 17958), (219, 13202), (246, 11753), (287, 10074), (322, 8979), (438, 6601), (483, 5986), (511, 5658), (574, 5037), (861, 3358), (943, 3066), (966, 2993), (1022, 2829), (1533, 1886), (1679, 1722)]