64987978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{33191}}^1$

素因数の和:33293

約数の個数: 16

約数和(自身を含む): 107542080

約数和(自身を除く): 42554102

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 33191, 66382, 365101, 730202, 2953999, 5907998, 32493989, 64987978]

約数ペア:

[(1, 64987978), (2, 32493989), (11, 5907998), (22, 2953999), (89, 730202), (178, 365101), (979, 66382), (1958, 33191)]