156926756

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{409}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 320705280

約数和(自身を除く): 163778524

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 193, 284, 386, 409, 497, 772, 818, 994, 1351, 1636, 1988, 2702, 2863, 5404, 5726, 11452, 13703, 27406, 29039, 54812, 58078, 78937, 95921, 116156, 157874, 191842, 203273, 315748, 383684, 406546, 552559, 813092, 1105118, 2210236, 5604527, 11209054, 22418108, 39231689, 78463378, 156926756]

約数ペア:

[(1, 156926756), (2, 78463378), (4, 39231689), (7, 22418108), (14, 11209054), (28, 5604527), (71, 2210236), (142, 1105118), (193, 813092), (284, 552559), (386, 406546), (409, 383684), (497, 315748), (772, 203273), (818, 191842), (994, 157874), (1351, 116156), (1636, 95921), (1988, 78937), (2702, 58078), (2863, 54812), (5404, 29039), (5726, 27406), (11452, 13703)]