179919220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{691997}}^1$

素因数の和:692019

約数の個数: 24

約数和(自身を含む): 406894824

約数和(自身を除く): 226975604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 691997, 1383994, 2767988, 3459985, 6919970, 8995961, 13839940, 17991922, 35983844, 44979805, 89959610, 179919220]

約数ペア:

[(1, 179919220), (2, 89959610), (4, 44979805), (5, 35983844), (10, 17991922), (13, 13839940), (20, 8995961), (26, 6919970), (52, 3459985), (65, 2767988), (130, 1383994), (260, 691997)]