161281068

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{3931}}^1$

素因数の和:4214

約数の個数: 48

約数和(自身を含む): 406914816

約数和(自身を除く): 245633748

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 263, 526, 789, 1052, 1578, 3156, 3419, 3931, 6838, 7862, 10257, 11793, 13676, 15724, 20514, 23586, 41028, 47172, 51103, 102206, 153309, 204412, 306618, 613236, 1033853, 2067706, 3101559, 4135412, 6203118, 12406236, 13440089, 26880178, 40320267, 53760356, 80640534, 161281068]

約数ペア:

[(1, 161281068), (2, 80640534), (3, 53760356), (4, 40320267), (6, 26880178), (12, 13440089), (13, 12406236), (26, 6203118), (39, 4135412), (52, 3101559), (78, 2067706), (156, 1033853), (263, 613236), (526, 306618), (789, 204412), (1052, 153309), (1578, 102206), (3156, 51103), (3419, 47172), (3931, 41028), (6838, 23586), (7862, 20514), (10257, 15724), (11793, 13676)]