28331485

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{877}}^1$

素因数の和:973

約数の個数: 32

約数和(自身を含む): 42481152

約数和(自身を除く): 14149667

約数列:

[1, 5, 7, 13, 35, 65, 71, 91, 355, 455, 497, 877, 923, 2485, 4385, 4615, 6139, 6461, 11401, 30695, 32305, 57005, 62267, 79807, 311335, 399035, 435869, 809471, 2179345, 4047355, 5666297, 28331485]

約数ペア:

[(1, 28331485), (5, 5666297), (7, 4047355), (13, 2179345), (35, 809471), (65, 435869), (71, 399035), (91, 311335), (355, 79807), (455, 62267), (497, 57005), (877, 32305), (923, 30695), (2485, 11401), (4385, 6461), (4615, 6139)]