81801636

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{2381}}^1$

素因数の和:2804

約数の個数: 48

約数和(自身を含む): 218762880

約数和(自身を除く): 136961244

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 409, 818, 1227, 1636, 2381, 2454, 2863, 4762, 4908, 5726, 7143, 8589, 9524, 11452, 14286, 16667, 17178, 28572, 33334, 34356, 50001, 66668, 100002, 200004, 973829, 1947658, 2921487, 3895316, 5842974, 6816803, 11685948, 13633606, 20450409, 27267212, 40900818, 81801636]

約数ペア:

[(1, 81801636), (2, 40900818), (3, 27267212), (4, 20450409), (6, 13633606), (7, 11685948), (12, 6816803), (14, 5842974), (21, 3895316), (28, 2921487), (42, 1947658), (84, 973829), (409, 200004), (818, 100002), (1227, 66668), (1636, 50001), (2381, 34356), (2454, 33334), (2863, 28572), (4762, 17178), (4908, 16667), (5726, 14286), (7143, 11452), (8589, 9524)]