278364863714

素因数分解:

$2^1\times 7^2\times {\mathrm{661}}^1\times {\mathrm{1321}}^1\times {\mathrm{3253}}^1$

素因数の和:5251

約数の個数: 48

約数和(自身を含む): 486971005176

約数和(自身を除く): 208606141462

約数列:

[1, 2, 7, 14, 49, 98, 661, 1321, 1322, 2642, 3253, 4627, 6506, 9247, 9254, 18494, 22771, 32389, 45542, 64729, 64778, 129458, 159397, 318794, 873181, 1746362, 2150233, 4297213, 4300466, 6112267, 8594426, 12224534, 15051631, 30080491, 30103262, 42785869, 60160982, 85571738, 105361417, 210563437, 210722834, 421126874, 2840457793, 5680915586, 19883204551, 39766409102, 139182431857, 278364863714]

約数ペア:

[(1, 278364863714), (2, 139182431857), (7, 39766409102), (14, 19883204551), (49, 5680915586), (98, 2840457793), (661, 421126874), (1321, 210722834), (1322, 210563437), (2642, 105361417), (3253, 85571738), (4627, 60160982), (6506, 42785869), (9247, 30103262), (9254, 30080491), (18494, 15051631), (22771, 12224534), (32389, 8594426), (45542, 6112267), (64729, 4300466), (64778, 4297213), (129458, 2150233), (159397, 1746362), (318794, 873181)]