205070838

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{256981}}^1$

素因数の和:257012

約数の個数: 32

約数和(自身を含む): 493405440

約数和(自身を除く): 288334602

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 256981, 513962, 770943, 1541886, 1798867, 3597734, 4882639, 5396601, 9765278, 10793202, 14647917, 29295834, 34178473, 68356946, 102535419, 205070838]

約数ペア:

[(1, 205070838), (2, 102535419), (3, 68356946), (6, 34178473), (7, 29295834), (14, 14647917), (19, 10793202), (21, 9765278), (38, 5396601), (42, 4882639), (57, 3597734), (114, 1798867), (133, 1541886), (266, 770943), (399, 513962), (798, 256981)]