64404236

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{39953}}^1$

素因数の和:40001

約数の個数: 24

約数和(自身を含む): 125295744

約数和(自身を除く): 60891508

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 39953, 79906, 159812, 519389, 1038778, 1238543, 2077556, 2477086, 4954172, 16101059, 32202118, 64404236]

約数ペア:

[(1, 64404236), (2, 32202118), (4, 16101059), (13, 4954172), (26, 2477086), (31, 2077556), (52, 1238543), (62, 1038778), (124, 519389), (403, 159812), (806, 79906), (1612, 39953)]