66287216

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{243703}}^1$

素因数の和:243728

約数の個数: 20

約数和(自身を含む): 135986832

約数和(自身を除く): 69699616

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 243703, 487406, 974812, 1949624, 3899248, 4142951, 8285902, 16571804, 33143608, 66287216]

約数ペア:

[(1, 66287216), (2, 33143608), (4, 16571804), (8, 8285902), (16, 4142951), (17, 3899248), (34, 1949624), (68, 974812), (136, 487406), (272, 243703)]