28217990

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{277}}^1$

素因数の和:512

約数の個数: 32

約数和(自身を含む): 52121664

約数和(自身を除く): 23903674

約数列:

[1, 2, 5, 10, 61, 122, 167, 277, 305, 334, 554, 610, 835, 1385, 1670, 2770, 10187, 16897, 20374, 33794, 46259, 50935, 84485, 92518, 101870, 168970, 231295, 462590, 2821799, 5643598, 14108995, 28217990]

約数ペア:

[(1, 28217990), (2, 14108995), (5, 5643598), (10, 2821799), (61, 462590), (122, 231295), (167, 168970), (277, 101870), (305, 92518), (334, 84485), (554, 50935), (610, 46259), (835, 33794), (1385, 20374), (1670, 16897), (2770, 10187)]