219345745

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{541}}^1\times {\mathrm{619}}^1$

素因数の和:1296

約数の個数: 16

約数和(自身を含む): 266143680

約数和(自身を除く): 46797935

約数列:

[1, 5, 131, 541, 619, 655, 2705, 3095, 70871, 81089, 334879, 354355, 405445, 1674395, 43869149, 219345745]

約数ペア:

[(1, 219345745), (5, 43869149), (131, 1674395), (541, 405445), (619, 354355), (655, 334879), (2705, 81089), (3095, 70871)]