279967856

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{86197}}^1$

素因数の和:86241

約数の個数: 40

約数和(自身を含む): 641313120

約数和(自身を除く): 361345264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 203, 232, 406, 464, 812, 1624, 3248, 86197, 172394, 344788, 603379, 689576, 1206758, 1379152, 2413516, 2499713, 4827032, 4999426, 9654064, 9998852, 17497991, 19997704, 34995982, 39995408, 69991964, 139983928, 279967856]

約数ペア:

[(1, 279967856), (2, 139983928), (4, 69991964), (7, 39995408), (8, 34995982), (14, 19997704), (16, 17497991), (28, 9998852), (29, 9654064), (56, 4999426), (58, 4827032), (112, 2499713), (116, 2413516), (203, 1379152), (232, 1206758), (406, 689576), (464, 603379), (812, 344788), (1624, 172394), (3248, 86197)]