64539496

素因数分解:

$2^3\times 7^1\times {\mathrm{397}}^1\times {\mathrm{2903}}^1$

素因数の和:3313

約数の個数: 32

約数和(自身を含む): 138695040

約数和(自身を除く): 74155544

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 397, 794, 1588, 2779, 2903, 3176, 5558, 5806, 11116, 11612, 20321, 22232, 23224, 40642, 81284, 162568, 1152491, 2304982, 4609964, 8067437, 9219928, 16134874, 32269748, 64539496]

約数ペア:

[(1, 64539496), (2, 32269748), (4, 16134874), (7, 9219928), (8, 8067437), (14, 4609964), (28, 2304982), (56, 1152491), (397, 162568), (794, 81284), (1588, 40642), (2779, 23224), (2903, 22232), (3176, 20321), (5558, 11612), (5806, 11116)]