168401968

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{157}}^2$

素因数の和:390

約数の個数: 60

約数和(自身を含む): 381432432

約数和(自身を除く): 213030464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 157, 244, 314, 427, 488, 628, 854, 976, 1099, 1256, 1708, 2198, 2512, 3416, 4396, 6832, 8792, 9577, 17584, 19154, 24649, 38308, 49298, 67039, 76616, 98596, 134078, 153232, 172543, 197192, 268156, 345086, 394384, 536312, 690172, 1072624, 1380344, 1503589, 2760688, 3007178, 6014356, 10525123, 12028712, 21050246, 24057424, 42100492, 84200984, 168401968]

約数ペア:

[(1, 168401968), (2, 84200984), (4, 42100492), (7, 24057424), (8, 21050246), (14, 12028712), (16, 10525123), (28, 6014356), (56, 3007178), (61, 2760688), (112, 1503589), (122, 1380344), (157, 1072624), (244, 690172), (314, 536312), (427, 394384), (488, 345086), (628, 268156), (854, 197192), (976, 172543), (1099, 153232), (1256, 134078), (1708, 98596), (2198, 76616), (2512, 67039), (3416, 49298), (4396, 38308), (6832, 24649), (8792, 19154), (9577, 17584)]