221339742

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{811}}^1\times {\mathrm{3499}}^1$

素因数の和:4328

約数の個数: 32

約数和(自身を含む): 477456000

約数和(自身を除く): 256116258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 811, 1622, 2433, 3499, 4866, 6998, 10497, 10543, 20994, 21086, 31629, 45487, 63258, 90974, 136461, 272922, 2837689, 5675378, 8513067, 17026134, 36889957, 73779914, 110669871, 221339742]

約数ペア:

[(1, 221339742), (2, 110669871), (3, 73779914), (6, 36889957), (13, 17026134), (26, 8513067), (39, 5675378), (78, 2837689), (811, 272922), (1622, 136461), (2433, 90974), (3499, 63258), (4866, 45487), (6998, 31629), (10497, 21086), (10543, 20994)]