311361968

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{23819}}^1$

素因数の和:23889

約数の個数: 40

約数和(自身を含む): 649809600

約数和(自身を除く): 338447632

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1634, 3268, 6536, 13072, 23819, 47638, 95276, 190552, 381104, 452561, 905122, 1024217, 1810244, 2048434, 3620488, 4096868, 7240976, 8193736, 16387472, 19460123, 38920246, 77840492, 155680984, 311361968]

約数ペア:

[(1, 311361968), (2, 155680984), (4, 77840492), (8, 38920246), (16, 19460123), (19, 16387472), (38, 8193736), (43, 7240976), (76, 4096868), (86, 3620488), (152, 2048434), (172, 1810244), (304, 1024217), (344, 905122), (688, 452561), (817, 381104), (1634, 190552), (3268, 95276), (6536, 47638), (13072, 23819)]