66879632

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{245881}}^1$

素因数の和:245906

約数の個数: 20

約数和(自身を含む): 137202156

約数和(自身を除く): 70322524

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 245881, 491762, 983524, 1967048, 3934096, 4179977, 8359954, 16719908, 33439816, 66879632]

約数ペア:

[(1, 66879632), (2, 33439816), (4, 16719908), (8, 8359954), (16, 4179977), (17, 3934096), (34, 1967048), (68, 983524), (136, 491762), (272, 245881)]