258967982

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{719}}^1\times {\mathrm{1979}}^1$

素因数の和:2720

約数の個数: 32

約数和(自身を含む): 479001600

約数和(自身を除く): 220033618

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 719, 1438, 1979, 3958, 5033, 9347, 10066, 13853, 18694, 25727, 27706, 51454, 65429, 130858, 180089, 360178, 1422901, 2845802, 9960307, 18497713, 19920614, 36995426, 129483991, 258967982]

約数ペア:

[(1, 258967982), (2, 129483991), (7, 36995426), (13, 19920614), (14, 18497713), (26, 9960307), (91, 2845802), (182, 1422901), (719, 360178), (1438, 180089), (1979, 130858), (3958, 65429), (5033, 51454), (9347, 27706), (10066, 25727), (13853, 18694)]