67520144

素因数分解:

$2^4\times {\mathrm{643}}^1\times {\mathrm{6563}}^1$

素因数の和:7214

約数の個数: 20

約数和(自身を含む): 131043696

約数和(自身を除く): 63523552

約数列:

[1, 2, 4, 8, 16, 643, 1286, 2572, 5144, 6563, 10288, 13126, 26252, 52504, 105008, 4220009, 8440018, 16880036, 33760072, 67520144]

約数ペア:

[(1, 67520144), (2, 33760072), (4, 16880036), (8, 8440018), (16, 4220009), (643, 105008), (1286, 52504), (2572, 26252), (5144, 13126), (6563, 10288)]