208505816

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{28927}}^1$

素因数の和:29003

約数の個数: 32

約数和(自身を含む): 421770240

約数和(自身を除く): 213264424

約数列:

[1, 2, 4, 8, 17, 34, 53, 68, 106, 136, 212, 424, 901, 1802, 3604, 7208, 28927, 57854, 115708, 231416, 491759, 983518, 1533131, 1967036, 3066262, 3934072, 6132524, 12265048, 26063227, 52126454, 104252908, 208505816]

約数ペア:

[(1, 208505816), (2, 104252908), (4, 52126454), (8, 26063227), (17, 12265048), (34, 6132524), (53, 3934072), (68, 3066262), (106, 1967036), (136, 1533131), (212, 983518), (424, 491759), (901, 231416), (1802, 115708), (3604, 57854), (7208, 28927)]