81883816

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 180633600

約数和(自身を除く): 98749784

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 83, 158, 166, 223, 316, 332, 446, 553, 581, 632, 664, 892, 1106, 1162, 1561, 1784, 2212, 2324, 3122, 4424, 4648, 6244, 6557, 12488, 13114, 17617, 18509, 26228, 35234, 37018, 45899, 52456, 70468, 74036, 91798, 123319, 129563, 140936, 148072, 183596, 246638, 259126, 367192, 493276, 518252, 986552, 1036504, 1462211, 2924422, 5848844, 10235477, 11697688, 20470954, 40941908, 81883816]

約数ペア:

[(1, 81883816), (2, 40941908), (4, 20470954), (7, 11697688), (8, 10235477), (14, 5848844), (28, 2924422), (56, 1462211), (79, 1036504), (83, 986552), (158, 518252), (166, 493276), (223, 367192), (316, 259126), (332, 246638), (446, 183596), (553, 148072), (581, 140936), (632, 129563), (664, 123319), (892, 91798), (1106, 74036), (1162, 70468), (1561, 52456), (1784, 45899), (2212, 37018), (2324, 35234), (3122, 26228), (4424, 18509), (4648, 17617), (6244, 13114), (6557, 12488)]