668355536

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{31337}}^1$

素因数の和:31419

約数の個数: 40

約数和(自身を含む): 1367841024

約数和(自身を除く): 699485488

約数列:

[1, 2, 4, 8, 16, 31, 43, 62, 86, 124, 172, 248, 344, 496, 688, 1333, 2666, 5332, 10664, 21328, 31337, 62674, 125348, 250696, 501392, 971447, 1347491, 1942894, 2694982, 3885788, 5389964, 7771576, 10779928, 15543152, 21559856, 41772221, 83544442, 167088884, 334177768, 668355536]

約数ペア:

[(1, 668355536), (2, 334177768), (4, 167088884), (8, 83544442), (16, 41772221), (31, 21559856), (43, 15543152), (62, 10779928), (86, 7771576), (124, 5389964), (172, 3885788), (248, 2694982), (344, 1942894), (496, 1347491), (688, 971447), (1333, 501392), (2666, 250696), (5332, 125348), (10664, 62674), (21328, 31337)]