278077212

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{122609}}^1$

素因数の和:122632

約数の個数: 60

約数和(自身を含む): 830805360

約数和(自身を除く): 552728148

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 378, 567, 756, 1134, 2268, 122609, 245218, 367827, 490436, 735654, 858263, 1103481, 1471308, 1716526, 2206962, 2574789, 3310443, 3433052, 4413924, 5149578, 6620886, 7724367, 9931329, 10299156, 13241772, 15448734, 19862658, 23173101, 30897468, 39725316, 46346202, 69519303, 92692404, 139038606, 278077212]

約数ペア:

[(1, 278077212), (2, 139038606), (3, 92692404), (4, 69519303), (6, 46346202), (7, 39725316), (9, 30897468), (12, 23173101), (14, 19862658), (18, 15448734), (21, 13241772), (27, 10299156), (28, 9931329), (36, 7724367), (42, 6620886), (54, 5149578), (63, 4413924), (81, 3433052), (84, 3310443), (108, 2574789), (126, 2206962), (162, 1716526), (189, 1471308), (252, 1103481), (324, 858263), (378, 735654), (567, 490436), (756, 367827), (1134, 245218), (2268, 122609)]