1981384

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{857}}^1$

素因数の和:897

約数の個数: 24

約数和(自身を含む): 3951090

約数和(自身を除く): 1969706

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 857, 1156, 1714, 2312, 3428, 6856, 14569, 29138, 58276, 116552, 247673, 495346, 990692, 1981384]

約数ペア:

[(1, 1981384), (2, 990692), (4, 495346), (8, 247673), (17, 116552), (34, 58276), (68, 29138), (136, 14569), (289, 6856), (578, 3428), (857, 2312), (1156, 1714)]