218964

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:335

約数の個数: 24

約数和(自身を含む): 520128

約数和(自身を除く): 301164

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 257, 284, 426, 514, 771, 852, 1028, 1542, 3084, 18247, 36494, 54741, 72988, 109482, 218964]

約数ペア:

[(1, 218964), (2, 109482), (3, 72988), (4, 54741), (6, 36494), (12, 18247), (71, 3084), (142, 1542), (213, 1028), (257, 852), (284, 771), (426, 514)]