289849326

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{971}}^1$

素因数の和:1121

約数の個数: 64

約数和(自身を含む): 646652160

約数和(自身を除く): 356802834

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 89, 129, 178, 258, 267, 534, 559, 971, 1118, 1157, 1677, 1942, 2314, 2913, 3354, 3471, 3827, 5826, 6942, 7654, 11481, 12623, 22962, 25246, 37869, 41753, 49751, 75738, 83506, 86419, 99502, 125259, 149253, 172838, 250518, 259257, 298506, 518514, 542789, 1085578, 1123447, 1628367, 2246894, 3256734, 3370341, 3716017, 6740682, 7432034, 11148051, 22296102, 48308221, 96616442, 144924663, 289849326]

約数ペア:

[(1, 289849326), (2, 144924663), (3, 96616442), (6, 48308221), (13, 22296102), (26, 11148051), (39, 7432034), (43, 6740682), (78, 3716017), (86, 3370341), (89, 3256734), (129, 2246894), (178, 1628367), (258, 1123447), (267, 1085578), (534, 542789), (559, 518514), (971, 298506), (1118, 259257), (1157, 250518), (1677, 172838), (1942, 149253), (2314, 125259), (2913, 99502), (3354, 86419), (3471, 83506), (3827, 75738), (5826, 49751), (6942, 41753), (7654, 37869), (11481, 25246), (12623, 22962)]