81285372

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6863}}^1$

素因数の和:6927

約数の個数: 72

約数和(自身を含む): 239855616

約数和(自身を除く): 158570244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 47, 63, 84, 94, 126, 141, 188, 252, 282, 329, 423, 564, 658, 846, 987, 1316, 1692, 1974, 2961, 3948, 5922, 6863, 11844, 13726, 20589, 27452, 41178, 48041, 61767, 82356, 96082, 123534, 144123, 192164, 247068, 288246, 322561, 432369, 576492, 645122, 864738, 967683, 1290244, 1729476, 1935366, 2257927, 2903049, 3870732, 4515854, 5806098, 6773781, 9031708, 11612196, 13547562, 20321343, 27095124, 40642686, 81285372]

約数ペア:

[(1, 81285372), (2, 40642686), (3, 27095124), (4, 20321343), (6, 13547562), (7, 11612196), (9, 9031708), (12, 6773781), (14, 5806098), (18, 4515854), (21, 3870732), (28, 2903049), (36, 2257927), (42, 1935366), (47, 1729476), (63, 1290244), (84, 967683), (94, 864738), (126, 645122), (141, 576492), (188, 432369), (252, 322561), (282, 288246), (329, 247068), (423, 192164), (564, 144123), (658, 123534), (846, 96082), (987, 82356), (1316, 61767), (1692, 48041), (1974, 41178), (2961, 27452), (3948, 20589), (5922, 13726), (6863, 11844)]