64280528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{7187}}^1$

素因数の和:7251

約数の個数: 40

約数和(自身を含む): 137262048

約数和(自身を除く): 72981520

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4472, 7187, 8944, 14374, 28748, 57496, 93431, 114992, 186862, 309041, 373724, 618082, 747448, 1236164, 1494896, 2472328, 4017533, 4944656, 8035066, 16070132, 32140264, 64280528]

約数ペア:

[(1, 64280528), (2, 32140264), (4, 16070132), (8, 8035066), (13, 4944656), (16, 4017533), (26, 2472328), (43, 1494896), (52, 1236164), (86, 747448), (104, 618082), (172, 373724), (208, 309041), (344, 186862), (559, 114992), (688, 93431), (1118, 57496), (2236, 28748), (4472, 14374), (7187, 8944)]