220904278

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{216149}}^1$

素因数の和:216231

約数の個数: 16

約数和(自身を含む): 383882400

約数和(自身を除く): 162978122

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 216149, 432298, 1513043, 3026086, 15778877, 31557754, 110452139, 220904278]

約数ペア:

[(1, 220904278), (2, 110452139), (7, 31557754), (14, 15778877), (73, 3026086), (146, 1513043), (511, 432298), (1022, 216149)]