81749724

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{907}}^1$

素因数の和:987

約数の個数: 96

約数和(自身を含む): 231866880

約数和(自身を除く): 150117156

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 37, 42, 58, 74, 84, 87, 111, 116, 148, 174, 203, 222, 259, 348, 406, 444, 518, 609, 777, 812, 907, 1036, 1073, 1218, 1554, 1814, 2146, 2436, 2721, 3108, 3219, 3628, 4292, 5442, 6349, 6438, 7511, 10884, 12698, 12876, 15022, 19047, 22533, 25396, 26303, 30044, 33559, 38094, 45066, 52606, 67118, 76188, 78909, 90132, 100677, 105212, 134236, 157818, 184121, 201354, 234913, 315636, 368242, 402708, 469826, 552363, 704739, 736484, 939652, 973211, 1104726, 1409478, 1946422, 2209452, 2818956, 2919633, 3892844, 5839266, 6812477, 11678532, 13624954, 20437431, 27249908, 40874862, 81749724]

約数ペア:

[(1, 81749724), (2, 40874862), (3, 27249908), (4, 20437431), (6, 13624954), (7, 11678532), (12, 6812477), (14, 5839266), (21, 3892844), (28, 2919633), (29, 2818956), (37, 2209452), (42, 1946422), (58, 1409478), (74, 1104726), (84, 973211), (87, 939652), (111, 736484), (116, 704739), (148, 552363), (174, 469826), (203, 402708), (222, 368242), (259, 315636), (348, 234913), (406, 201354), (444, 184121), (518, 157818), (609, 134236), (777, 105212), (812, 100677), (907, 90132), (1036, 78909), (1073, 76188), (1218, 67118), (1554, 52606), (1814, 45066), (2146, 38094), (2436, 33559), (2721, 30044), (3108, 26303), (3219, 25396), (3628, 22533), (4292, 19047), (5442, 15022), (6349, 12876), (6438, 12698), (7511, 10884)]