220288256

素因数分解:

$2^8\times {\mathrm{860501}}^1$

素因数の和:860517

約数の個数: 18

約数和(自身を含む): 439716522

約数和(自身を除く): 219428266

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 860501, 1721002, 3442004, 6884008, 13768016, 27536032, 55072064, 110144128, 220288256]

約数ペア:

[(1, 220288256), (2, 110144128), (4, 55072064), (8, 27536032), (16, 13768016), (32, 6884008), (64, 3442004), (128, 1721002), (256, 860501)]