81713464

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{349}}^1$

素因数の和:512

約数の個数: 64

約数和(自身を含む): 181944000

約数和(自身を除く): 100230536

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 113, 148, 226, 259, 296, 349, 452, 518, 698, 791, 904, 1036, 1396, 1582, 2072, 2443, 2792, 3164, 4181, 4886, 6328, 8362, 9772, 12913, 16724, 19544, 25826, 29267, 33448, 39437, 51652, 58534, 78874, 90391, 103304, 117068, 157748, 180782, 234136, 276059, 315496, 361564, 552118, 723128, 1104236, 1459169, 2208472, 2918338, 5836676, 10214183, 11673352, 20428366, 40856732, 81713464]

約数ペア:

[(1, 81713464), (2, 40856732), (4, 20428366), (7, 11673352), (8, 10214183), (14, 5836676), (28, 2918338), (37, 2208472), (56, 1459169), (74, 1104236), (113, 723128), (148, 552118), (226, 361564), (259, 315496), (296, 276059), (349, 234136), (452, 180782), (518, 157748), (698, 117068), (791, 103304), (904, 90391), (1036, 78874), (1396, 58534), (1582, 51652), (2072, 39437), (2443, 33448), (2792, 29267), (3164, 25826), (4181, 19544), (4886, 16724), (6328, 12913), (8362, 9772)]