261085864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{147673}}^1$

素因数の和:147709

約数の個数: 32

約数和(自身を含む): 558207720

約数和(自身を除く): 297121856

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 147673, 295346, 590692, 1181384, 1919749, 2510441, 3839498, 5020882, 7678996, 10041764, 15357992, 20083528, 32635733, 65271466, 130542932, 261085864]

約数ペア:

[(1, 261085864), (2, 130542932), (4, 65271466), (8, 32635733), (13, 20083528), (17, 15357992), (26, 10041764), (34, 7678996), (52, 5020882), (68, 3839498), (104, 2510441), (136, 1919749), (221, 1181384), (442, 590692), (884, 295346), (1768, 147673)]