30812656

素因数分解:

$2^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2671}}^1$

素因数の和:2789

約数の個数: 40

約数和(自身を含む): 68916224

約数和(自身を除く): 38103568

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 103, 112, 206, 412, 721, 824, 1442, 1648, 2671, 2884, 5342, 5768, 10684, 11536, 18697, 21368, 37394, 42736, 74788, 149576, 275113, 299152, 550226, 1100452, 1925791, 2200904, 3851582, 4401808, 7703164, 15406328, 30812656]

約数ペア:

[(1, 30812656), (2, 15406328), (4, 7703164), (7, 4401808), (8, 3851582), (14, 2200904), (16, 1925791), (28, 1100452), (56, 550226), (103, 299152), (112, 275113), (206, 149576), (412, 74788), (721, 42736), (824, 37394), (1442, 21368), (1648, 18697), (2671, 11536), (2884, 10684), (5342, 5768)]