71993008

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{269}}^1\times {\mathrm{389}}^1$

素因数の和:709

約数の個数: 40

約数和(自身を含む): 143629200

約数和(自身を除く): 71636192

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 269, 344, 389, 538, 688, 778, 1076, 1556, 2152, 3112, 4304, 6224, 11567, 16727, 23134, 33454, 46268, 66908, 92536, 104641, 133816, 185072, 209282, 267632, 418564, 837128, 1674256, 4499563, 8999126, 17998252, 35996504, 71993008]

約数ペア:

[(1, 71993008), (2, 35996504), (4, 17998252), (8, 8999126), (16, 4499563), (43, 1674256), (86, 837128), (172, 418564), (269, 267632), (344, 209282), (389, 185072), (538, 133816), (688, 104641), (778, 92536), (1076, 66908), (1556, 46268), (2152, 33454), (3112, 23134), (4304, 16727), (6224, 11567)]