28553945

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{26317}}^1$

素因数の和:26360

約数の個数: 16

約数和(自身を含む): 40424448

約数和(自身を除く): 11870503

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 26317, 131585, 184219, 815827, 921095, 4079135, 5710789, 28553945]

約数ペア:

[(1, 28553945), (5, 5710789), (7, 4079135), (31, 921095), (35, 815827), (155, 184219), (217, 131585), (1085, 26317)]