181015212

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{1459}}^1$

素因数の和:1691

約数の個数: 72

約数和(自身を含む): 493993920

約数和(自身を除く): 312978708

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 211, 294, 422, 588, 633, 844, 1266, 1459, 1477, 2532, 2918, 2954, 4377, 4431, 5836, 5908, 8754, 8862, 10213, 10339, 17508, 17724, 20426, 20678, 30639, 31017, 40852, 41356, 61278, 62034, 71491, 122556, 124068, 142982, 214473, 285964, 307849, 428946, 615698, 857892, 923547, 1231396, 1847094, 2154943, 3694188, 4309886, 6464829, 8619772, 12929658, 15084601, 25859316, 30169202, 45253803, 60338404, 90507606, 181015212]

約数ペア:

[(1, 181015212), (2, 90507606), (3, 60338404), (4, 45253803), (6, 30169202), (7, 25859316), (12, 15084601), (14, 12929658), (21, 8619772), (28, 6464829), (42, 4309886), (49, 3694188), (84, 2154943), (98, 1847094), (147, 1231396), (196, 923547), (211, 857892), (294, 615698), (422, 428946), (588, 307849), (633, 285964), (844, 214473), (1266, 142982), (1459, 124068), (1477, 122556), (2532, 71491), (2918, 62034), (2954, 61278), (4377, 41356), (4431, 40852), (5836, 31017), (5908, 30639), (8754, 20678), (8862, 20426), (10213, 17724), (10339, 17508)]