281844368

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1355021}}^1$

素因数の和:1355042

約数の個数: 20

約数和(自身を含む): 588079548

約数和(自身を除く): 306235180

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1355021, 2710042, 5420084, 10840168, 17615273, 21680336, 35230546, 70461092, 140922184, 281844368]

約数ペア:

[(1, 281844368), (2, 140922184), (4, 70461092), (8, 35230546), (13, 21680336), (16, 17615273), (26, 10840168), (52, 5420084), (104, 2710042), (208, 1355021)]