28993696

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1109}}^1$

素因数の和:1181

約数の個数: 48

約数和(自身を含む): 61538400

約数和(自身を除く): 32544704

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 76, 86, 152, 172, 304, 344, 608, 688, 817, 1109, 1376, 1634, 2218, 3268, 4436, 6536, 8872, 13072, 17744, 21071, 26144, 35488, 42142, 47687, 84284, 95374, 168568, 190748, 337136, 381496, 674272, 762992, 906053, 1525984, 1812106, 3624212, 7248424, 14496848, 28993696]

約数ペア:

[(1, 28993696), (2, 14496848), (4, 7248424), (8, 3624212), (16, 1812106), (19, 1525984), (32, 906053), (38, 762992), (43, 674272), (76, 381496), (86, 337136), (152, 190748), (172, 168568), (304, 95374), (344, 84284), (608, 47687), (688, 42142), (817, 35488), (1109, 26144), (1376, 21071), (1634, 17744), (2218, 13072), (3268, 8872), (4436, 6536)]