289364660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1112941}}^1$

素因数の和:1112963

約数の個数: 24

約数和(自身を含む): 654409896

約数和(自身を除く): 365045236

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1112941, 2225882, 4451764, 5564705, 11129410, 14468233, 22258820, 28936466, 57872932, 72341165, 144682330, 289364660]

約数ペア:

[(1, 289364660), (2, 144682330), (4, 72341165), (5, 57872932), (10, 28936466), (13, 22258820), (20, 14468233), (26, 11129410), (52, 5564705), (65, 4451764), (130, 2225882), (260, 1112941)]