38969008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4357}}^1$

素因数の和:4421

約数の個数: 40

約数和(自身を含む): 83220368

約数和(自身を除く): 44251360

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4357, 4472, 8714, 8944, 17428, 34856, 56641, 69712, 113282, 187351, 226564, 374702, 453128, 749404, 906256, 1498808, 2435563, 2997616, 4871126, 9742252, 19484504, 38969008]

約数ペア:

[(1, 38969008), (2, 19484504), (4, 9742252), (8, 4871126), (13, 2997616), (16, 2435563), (26, 1498808), (43, 906256), (52, 749404), (86, 453128), (104, 374702), (172, 226564), (208, 187351), (344, 113282), (559, 69712), (688, 56641), (1118, 34856), (2236, 17428), (4357, 8944), (4472, 8714)]