15559216

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{57203}}^1$

素因数の和:57228

約数の個数: 20

約数和(自身を含む): 31919832

約数和(自身を除く): 16360616

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 57203, 114406, 228812, 457624, 915248, 972451, 1944902, 3889804, 7779608, 15559216]

約数ペア:

[(1, 15559216), (2, 7779608), (4, 3889804), (8, 1944902), (16, 972451), (17, 915248), (34, 457624), (68, 228812), (136, 114406), (272, 57203)]