128127818

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:471

約数の個数: 64

約数和(自身を含む): 248209920

約数和(自身を除く): 120082102

約数列:

[1, 2, 7, 13, 14, 26, 37, 53, 74, 91, 106, 182, 259, 359, 371, 481, 518, 689, 718, 742, 962, 1378, 1961, 2513, 3367, 3922, 4667, 4823, 5026, 6734, 9334, 9646, 13283, 13727, 19027, 25493, 26566, 27454, 32669, 38054, 50986, 65338, 92981, 133189, 172679, 178451, 185962, 247351, 266378, 345358, 356902, 494702, 703999, 1208753, 1407998, 1731457, 2417506, 3462914, 4927993, 9151987, 9855986, 18303974, 64063909, 128127818]

約数ペア:

[(1, 128127818), (2, 64063909), (7, 18303974), (13, 9855986), (14, 9151987), (26, 4927993), (37, 3462914), (53, 2417506), (74, 1731457), (91, 1407998), (106, 1208753), (182, 703999), (259, 494702), (359, 356902), (371, 345358), (481, 266378), (518, 247351), (689, 185962), (718, 178451), (742, 172679), (962, 133189), (1378, 92981), (1961, 65338), (2513, 50986), (3367, 38054), (3922, 32669), (4667, 27454), (4823, 26566), (5026, 25493), (6734, 19027), (9334, 13727), (9646, 13283)]