221920866

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{173647}}^1$

素因数の和:173726

約数の個数: 24

約数和(自身を含む): 487603584

約数和(自身を除く): 265682718

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 173647, 347294, 520941, 1041882, 1562823, 3125646, 12328937, 24657874, 36986811, 73973622, 110960433, 221920866]

約数ペア:

[(1, 221920866), (2, 110960433), (3, 73973622), (6, 36986811), (9, 24657874), (18, 12328937), (71, 3125646), (142, 1562823), (213, 1041882), (426, 520941), (639, 347294), (1278, 173647)]