28593968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:226

約数の個数: 80

約数和(自身を含む): 64162560

約数和(自身を除く): 35568592

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 43, 46, 52, 86, 92, 104, 139, 172, 184, 208, 278, 299, 344, 368, 556, 559, 598, 688, 989, 1112, 1118, 1196, 1807, 1978, 2224, 2236, 2392, 3197, 3614, 3956, 4472, 4784, 5977, 6394, 7228, 7912, 8944, 11954, 12788, 12857, 14456, 15824, 23908, 25576, 25714, 28912, 41561, 47816, 51152, 51428, 77701, 83122, 95632, 102856, 137471, 155402, 166244, 205712, 274942, 310804, 332488, 549884, 621608, 664976, 1099768, 1243216, 1787123, 2199536, 3574246, 7148492, 14296984, 28593968]

約数ペア:

[(1, 28593968), (2, 14296984), (4, 7148492), (8, 3574246), (13, 2199536), (16, 1787123), (23, 1243216), (26, 1099768), (43, 664976), (46, 621608), (52, 549884), (86, 332488), (92, 310804), (104, 274942), (139, 205712), (172, 166244), (184, 155402), (208, 137471), (278, 102856), (299, 95632), (344, 83122), (368, 77701), (556, 51428), (559, 51152), (598, 47816), (688, 41561), (989, 28912), (1112, 25714), (1118, 25576), (1196, 23908), (1807, 15824), (1978, 14456), (2224, 12857), (2236, 12788), (2392, 11954), (3197, 8944), (3614, 7912), (3956, 7228), (4472, 6394), (4784, 5977)]