212494562

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 395366400

約数和(自身を除く): 182871838

約数列:

[1, 2, 7, 14, 23, 43, 46, 86, 103, 149, 161, 206, 298, 301, 322, 602, 721, 989, 1043, 1442, 1978, 2086, 2369, 3427, 4429, 4738, 6407, 6854, 6923, 8858, 12814, 13846, 15347, 16583, 23989, 30694, 31003, 33166, 44849, 47978, 62006, 89698, 101867, 107429, 147361, 203734, 214858, 294722, 352981, 659921, 705962, 713069, 1031527, 1319842, 1426138, 2063054, 2470867, 4619447, 4941734, 9238894, 15178183, 30356366, 106247281, 212494562]

約数ペア:

[(1, 212494562), (2, 106247281), (7, 30356366), (14, 15178183), (23, 9238894), (43, 4941734), (46, 4619447), (86, 2470867), (103, 2063054), (149, 1426138), (161, 1319842), (206, 1031527), (298, 713069), (301, 705962), (322, 659921), (602, 352981), (721, 294722), (989, 214858), (1043, 203734), (1442, 147361), (1978, 107429), (2086, 101867), (2369, 89698), (3427, 62006), (4429, 47978), (4738, 44849), (6407, 33166), (6854, 31003), (6923, 30694), (8858, 23989), (12814, 16583), (13846, 15347)]