1970605

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 32

約数和(自身を含む): 2999808

約数和(自身を除く): 1029203

約数列:

[1, 5, 7, 13, 35, 61, 65, 71, 91, 305, 355, 427, 455, 497, 793, 923, 2135, 2485, 3965, 4331, 4615, 5551, 6461, 21655, 27755, 30317, 32305, 56303, 151585, 281515, 394121, 1970605]

約数ペア:

[(1, 1970605), (5, 394121), (7, 281515), (13, 151585), (35, 56303), (61, 32305), (65, 30317), (71, 27755), (91, 21655), (305, 6461), (355, 5551), (427, 4615), (455, 4331), (497, 3965), (793, 2485), (923, 2135)]