858785938

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{1289}}^1$

素因数の和:1522

約数の個数: 32

約数和(自身を含む): 1351342080

約数和(自身を除く): 492556142

約数列:

[1, 2, 43, 61, 86, 122, 127, 254, 1289, 2578, 2623, 5246, 5461, 7747, 10922, 15494, 55427, 78629, 110854, 157258, 163703, 327406, 333121, 666242, 3381047, 6762094, 7039229, 9985883, 14078458, 19971766, 429392969, 858785938]

約数ペア:

[(1, 858785938), (2, 429392969), (43, 19971766), (61, 14078458), (86, 9985883), (122, 7039229), (127, 6762094), (254, 3381047), (1289, 666242), (2578, 333121), (2623, 327406), (5246, 163703), (5461, 157258), (7747, 110854), (10922, 78629), (15494, 55427)]