66688816

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{38239}}^1$

素因数の和:38356

約数の個数: 20

約数和(自身を含む): 130398400

約数和(自身を除く): 63709584

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 38239, 76478, 152956, 305912, 611824, 4168051, 8336102, 16672204, 33344408, 66688816]

約数ペア:

[(1, 66688816), (2, 33344408), (4, 16672204), (8, 8336102), (16, 4168051), (109, 611824), (218, 305912), (436, 152956), (872, 76478), (1744, 38239)]