28404844

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{42019}}^1$

素因数の和:42049

約数の個数: 18

約数和(自身を含む): 53827620

約数和(自身を除く): 25422776

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 42019, 84038, 168076, 546247, 1092494, 2184988, 7101211, 14202422, 28404844]

約数ペア:

[(1, 28404844), (2, 14202422), (4, 7101211), (13, 2184988), (26, 1092494), (52, 546247), (169, 168076), (338, 84038), (676, 42019)]