212312828

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{20113}}^1$

素因数の和:20166

約数の個数: 48

約数和(自身を含む): 473081280

約数和(自身を除く): 260768452

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 52, 58, 91, 116, 182, 203, 364, 377, 406, 754, 812, 1508, 2639, 5278, 10556, 20113, 40226, 80452, 140791, 261469, 281582, 522938, 563164, 583277, 1045876, 1166554, 1830283, 2333108, 3660566, 4082939, 7321132, 7582601, 8165878, 15165202, 16331756, 30330404, 53078207, 106156414, 212312828]

約数ペア:

[(1, 212312828), (2, 106156414), (4, 53078207), (7, 30330404), (13, 16331756), (14, 15165202), (26, 8165878), (28, 7582601), (29, 7321132), (52, 4082939), (58, 3660566), (91, 2333108), (116, 1830283), (182, 1166554), (203, 1045876), (364, 583277), (377, 563164), (406, 522938), (754, 281582), (812, 261469), (1508, 140791), (2639, 80452), (5278, 40226), (10556, 20113)]