71239220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{273997}}^1$

素因数の和:274019

約数の個数: 24

約数和(自身を含む): 161110824

約数和(自身を除く): 89871604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 273997, 547994, 1095988, 1369985, 2739970, 3561961, 5479940, 7123922, 14247844, 17809805, 35619610, 71239220]

約数ペア:

[(1, 71239220), (2, 35619610), (4, 17809805), (5, 14247844), (10, 7123922), (13, 5479940), (20, 3561961), (26, 2739970), (52, 1369985), (65, 1095988), (130, 547994), (260, 273997)]