81923344

素因数分解:

$2^4\times {\mathrm{643}}^1\times {\mathrm{7963}}^1$

素因数の和:8614

約数の個数: 20

約数和(自身を含む): 158993296

約数和(自身を除く): 77069952

約数列:

[1, 2, 4, 8, 16, 643, 1286, 2572, 5144, 7963, 10288, 15926, 31852, 63704, 127408, 5120209, 10240418, 20480836, 40961672, 81923344]

約数ペア:

[(1, 81923344), (2, 40961672), (4, 20480836), (8, 10240418), (16, 5120209), (643, 127408), (1286, 63704), (2572, 31852), (5144, 15926), (7963, 10288)]