397788358

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{839}}^1\times {\mathrm{937}}^1$

素因数の和:1812

約数の個数: 32

約数和(自身を含む): 680762880

約数和(自身を除く): 282974522

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 839, 937, 1678, 1874, 9229, 10307, 18458, 19297, 20614, 21551, 38594, 43102, 212267, 237061, 424534, 474122, 786143, 1572286, 8647573, 17295146, 18081289, 36162578, 198894179, 397788358]

約数ペア:

[(1, 397788358), (2, 198894179), (11, 36162578), (22, 18081289), (23, 17295146), (46, 8647573), (253, 1572286), (506, 786143), (839, 474122), (937, 424534), (1678, 237061), (1874, 212267), (9229, 43102), (10307, 38594), (18458, 21551), (19297, 20614)]