28781764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{21101}}^1$

素因数の和:21147

約数の個数: 24

約数和(自身を含む): 56722176

約数和(自身を除く): 27940412

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 21101, 42202, 84404, 232111, 464222, 654131, 928444, 1308262, 2616524, 7195441, 14390882, 28781764]

約数ペア:

[(1, 28781764), (2, 14390882), (4, 7195441), (11, 2616524), (22, 1308262), (31, 928444), (44, 654131), (62, 464222), (124, 232111), (341, 84404), (682, 42202), (1364, 21101)]