212881265

素因数分解:

$5^1\times {\mathrm{113}}^1\times {\mathrm{577}}^1\times {\mathrm{653}}^1$

素因数の和:1348

約数の個数: 16

約数和(自身を含む): 258560208

約数和(自身を除く): 45678943

約数列:

[1, 5, 113, 565, 577, 653, 2885, 3265, 65201, 73789, 326005, 368945, 376781, 1883905, 42576253, 212881265]

約数ペア:

[(1, 212881265), (5, 42576253), (113, 1883905), (565, 376781), (577, 368945), (653, 326005), (2885, 73789), (3265, 65201)]