80811918

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{449}}^1$

素因数の和:575

約数の個数: 80

約数和(自身を含む): 199940400

約数和(自身を除く): 119128482

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 81, 99, 101, 162, 198, 202, 297, 303, 449, 594, 606, 891, 898, 909, 1111, 1347, 1782, 1818, 2222, 2694, 2727, 3333, 4041, 4939, 5454, 6666, 8082, 8181, 9878, 9999, 12123, 14817, 16362, 19998, 24246, 29634, 29997, 36369, 44451, 45349, 59994, 72738, 88902, 89991, 90698, 133353, 136047, 179982, 266706, 272094, 400059, 408141, 498839, 800118, 816282, 997678, 1224423, 1496517, 2448846, 2993034, 3673269, 4489551, 7346538, 8979102, 13468653, 26937306, 40405959, 80811918]

約数ペア:

[(1, 80811918), (2, 40405959), (3, 26937306), (6, 13468653), (9, 8979102), (11, 7346538), (18, 4489551), (22, 3673269), (27, 2993034), (33, 2448846), (54, 1496517), (66, 1224423), (81, 997678), (99, 816282), (101, 800118), (162, 498839), (198, 408141), (202, 400059), (297, 272094), (303, 266706), (449, 179982), (594, 136047), (606, 133353), (891, 90698), (898, 89991), (909, 88902), (1111, 72738), (1347, 59994), (1782, 45349), (1818, 44451), (2222, 36369), (2694, 29997), (2727, 29634), (3333, 24246), (4041, 19998), (4939, 16362), (5454, 14817), (6666, 12123), (8082, 9999), (8181, 9878)]