81999504

素因数分解:

$2^4\times 3^2\times {\mathrm{311}}^1\times {\mathrm{1831}}^1$

素因数の和:2156

約数の個数: 60

約数和(自身を含む): 230348352

約数和(自身を除く): 148348848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 311, 622, 933, 1244, 1831, 1866, 2488, 2799, 3662, 3732, 4976, 5493, 5598, 7324, 7464, 10986, 11196, 14648, 14928, 16479, 21972, 22392, 29296, 32958, 43944, 44784, 65916, 87888, 131832, 263664, 569441, 1138882, 1708323, 2277764, 3416646, 4555528, 5124969, 6833292, 9111056, 10249938, 13666584, 20499876, 27333168, 40999752, 81999504]

約数ペア:

[(1, 81999504), (2, 40999752), (3, 27333168), (4, 20499876), (6, 13666584), (8, 10249938), (9, 9111056), (12, 6833292), (16, 5124969), (18, 4555528), (24, 3416646), (36, 2277764), (48, 1708323), (72, 1138882), (144, 569441), (311, 263664), (622, 131832), (933, 87888), (1244, 65916), (1831, 44784), (1866, 43944), (2488, 32958), (2799, 29296), (3662, 22392), (3732, 21972), (4976, 16479), (5493, 14928), (5598, 14648), (7324, 11196), (7464, 10986)]