2601328

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:269

約数の個数: 40

約数和(自身を含む): 5456000

約数和(自身を除く): 2854672

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 199, 304, 344, 398, 688, 796, 817, 1592, 1634, 3184, 3268, 3781, 6536, 7562, 8557, 13072, 15124, 17114, 30248, 34228, 60496, 68456, 136912, 162583, 325166, 650332, 1300664, 2601328]

約数ペア:

[(1, 2601328), (2, 1300664), (4, 650332), (8, 325166), (16, 162583), (19, 136912), (38, 68456), (43, 60496), (76, 34228), (86, 30248), (152, 17114), (172, 15124), (199, 13072), (304, 8557), (344, 7562), (398, 6536), (688, 3781), (796, 3268), (817, 3184), (1592, 1634)]