1808280656

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1241951}}^1$

素因数の和:1241979

約数の個数: 40

約数和(自身を含む): 4312057344

約数和(自身を除く): 2503776688

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 1241951, 2483902, 4967804, 8693657, 9935608, 16145363, 17387314, 19871216, 32290726, 34774628, 64581452, 69549256, 113017541, 129162904, 139098512, 226035082, 258325808, 452070164, 904140328, 1808280656]

約数ペア:

[(1, 1808280656), (2, 904140328), (4, 452070164), (7, 258325808), (8, 226035082), (13, 139098512), (14, 129162904), (16, 113017541), (26, 69549256), (28, 64581452), (52, 34774628), (56, 32290726), (91, 19871216), (104, 17387314), (112, 16145363), (182, 9935608), (208, 8693657), (364, 4967804), (728, 2483902), (1456, 1241951)]