28278264

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{168323}}^1$

素因数の和:168339

約数の個数: 32

約数和(自身を含む): 80795520

約数和(自身を除く): 52517256

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 168323, 336646, 504969, 673292, 1009938, 1178261, 1346584, 2019876, 2356522, 3534783, 4039752, 4713044, 7069566, 9426088, 14139132, 28278264]

約数ペア:

[(1, 28278264), (2, 14139132), (3, 9426088), (4, 7069566), (6, 4713044), (7, 4039752), (8, 3534783), (12, 2356522), (14, 2019876), (21, 1346584), (24, 1178261), (28, 1009938), (42, 673292), (56, 504969), (84, 336646), (168, 168323)]