281339144

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{421}}^1\times {\mathrm{811}}^1$

素因数の和:1341

約数の個数: 32

約数和(自身を含む): 534555840

約数和(自身を除く): 253216696

約数列:

[1, 2, 4, 8, 103, 206, 412, 421, 811, 824, 842, 1622, 1684, 3244, 3368, 6488, 43363, 83533, 86726, 167066, 173452, 334132, 341431, 346904, 668264, 682862, 1365724, 2731448, 35167393, 70334786, 140669572, 281339144]

約数ペア:

[(1, 281339144), (2, 140669572), (4, 70334786), (8, 35167393), (103, 2731448), (206, 1365724), (412, 682862), (421, 668264), (811, 346904), (824, 341431), (842, 334132), (1622, 173452), (1684, 167066), (3244, 86726), (3368, 83533), (6488, 43363)]