71136828

素因数分解:

$2^2\times 3^2\times 7^4\times {\mathrm{823}}^1$

素因数の和:861

約数の個数: 90

約数和(自身を含む): 210030184

約数和(自身を除く): 138893356

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 343, 441, 588, 686, 823, 882, 1029, 1372, 1646, 1764, 2058, 2401, 2469, 3087, 3292, 4116, 4802, 4938, 5761, 6174, 7203, 7407, 9604, 9876, 11522, 12348, 14406, 14814, 17283, 21609, 23044, 28812, 29628, 34566, 40327, 43218, 51849, 69132, 80654, 86436, 103698, 120981, 161308, 207396, 241962, 282289, 362943, 483924, 564578, 725886, 846867, 1129156, 1451772, 1693734, 1976023, 2540601, 3387468, 3952046, 5081202, 5928069, 7904092, 10162404, 11856138, 17784207, 23712276, 35568414, 71136828]

約数ペア:

[(1, 71136828), (2, 35568414), (3, 23712276), (4, 17784207), (6, 11856138), (7, 10162404), (9, 7904092), (12, 5928069), (14, 5081202), (18, 3952046), (21, 3387468), (28, 2540601), (36, 1976023), (42, 1693734), (49, 1451772), (63, 1129156), (84, 846867), (98, 725886), (126, 564578), (147, 483924), (196, 362943), (252, 282289), (294, 241962), (343, 207396), (441, 161308), (588, 120981), (686, 103698), (823, 86436), (882, 80654), (1029, 69132), (1372, 51849), (1646, 43218), (1764, 40327), (2058, 34566), (2401, 29628), (2469, 28812), (3087, 23044), (3292, 21609), (4116, 17283), (4802, 14814), (4938, 14406), (5761, 12348), (6174, 11522), (7203, 9876), (7407, 9604)]