28770833

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 36997632

約数和(自身を除く): 8226799

約数列:

[1, 7, 13, 61, 71, 73, 91, 427, 497, 511, 793, 923, 949, 4331, 4453, 5183, 5551, 6461, 6643, 30317, 31171, 36281, 56303, 57889, 67379, 316163, 394121, 405223, 471653, 2213141, 4110119, 28770833]

約数ペア:

[(1, 28770833), (7, 4110119), (13, 2213141), (61, 471653), (71, 405223), (73, 394121), (91, 316163), (427, 67379), (497, 57889), (511, 56303), (793, 36281), (923, 31171), (949, 30317), (4331, 6643), (4453, 6461), (5183, 5551)]