216814404

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1\times {\mathrm{641}}^1$

素因数の和:1116

約数の個数: 48

約数和(自身を含む): 515120256

約数和(自身を除く): 298305852

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 397, 426, 641, 794, 852, 1191, 1282, 1588, 1923, 2382, 2564, 3846, 4764, 7692, 28187, 45511, 56374, 84561, 91022, 112748, 136533, 169122, 182044, 254477, 273066, 338244, 508954, 546132, 763431, 1017908, 1526862, 3053724, 18067867, 36135734, 54203601, 72271468, 108407202, 216814404]

約数ペア:

[(1, 216814404), (2, 108407202), (3, 72271468), (4, 54203601), (6, 36135734), (12, 18067867), (71, 3053724), (142, 1526862), (213, 1017908), (284, 763431), (397, 546132), (426, 508954), (641, 338244), (794, 273066), (852, 254477), (1191, 182044), (1282, 169122), (1588, 136533), (1923, 112748), (2382, 91022), (2564, 84561), (3846, 56374), (4764, 45511), (7692, 28187)]