128534672

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1217}}^1$

素因数の和:1296

約数の個数: 80

約数和(自身を含む): 304480512

約数和(自身を除く): 175945840

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 41, 46, 56, 82, 92, 112, 161, 164, 184, 287, 322, 328, 368, 574, 644, 656, 943, 1148, 1217, 1288, 1886, 2296, 2434, 2576, 3772, 4592, 4868, 6601, 7544, 8519, 9736, 13202, 15088, 17038, 19472, 26404, 27991, 34076, 49897, 52808, 55982, 68152, 99794, 105616, 111964, 136304, 195937, 199588, 223928, 349279, 391874, 399176, 447856, 698558, 783748, 798352, 1147631, 1397116, 1567496, 2295262, 2794232, 3134992, 4590524, 5588464, 8033417, 9181048, 16066834, 18362096, 32133668, 64267336, 128534672]

約数ペア:

[(1, 128534672), (2, 64267336), (4, 32133668), (7, 18362096), (8, 16066834), (14, 9181048), (16, 8033417), (23, 5588464), (28, 4590524), (41, 3134992), (46, 2794232), (56, 2295262), (82, 1567496), (92, 1397116), (112, 1147631), (161, 798352), (164, 783748), (184, 698558), (287, 447856), (322, 399176), (328, 391874), (368, 349279), (574, 223928), (644, 199588), (656, 195937), (943, 136304), (1148, 111964), (1217, 105616), (1288, 99794), (1886, 68152), (2296, 55982), (2434, 52808), (2576, 49897), (3772, 34076), (4592, 27991), (4868, 26404), (6601, 19472), (7544, 17038), (8519, 15088), (9736, 13202)]