68569808

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{479}}^1$

素因数の和:899

約数の個数: 40

約数和(自身を含む): 139276800

約数和(自身を除く): 70706992

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 389, 479, 778, 958, 1556, 1916, 3112, 3832, 6224, 7664, 8947, 11017, 17894, 22034, 35788, 44068, 71576, 88136, 143152, 176272, 186331, 372662, 745324, 1490648, 2981296, 4285613, 8571226, 17142452, 34284904, 68569808]

約数ペア:

[(1, 68569808), (2, 34284904), (4, 17142452), (8, 8571226), (16, 4285613), (23, 2981296), (46, 1490648), (92, 745324), (184, 372662), (368, 186331), (389, 176272), (479, 143152), (778, 88136), (958, 71576), (1556, 44068), (1916, 35788), (3112, 22034), (3832, 17894), (6224, 11017), (7664, 8947)]