201278416

素因数分解:

$2^4\times {\mathrm{421}}^1\times {\mathrm{29881}}^1$

素因数の和:30310

約数の個数: 20

約数和(自身を含む): 390916324

約数和(自身を除く): 189637908

約数列:

[1, 2, 4, 8, 16, 421, 842, 1684, 3368, 6736, 29881, 59762, 119524, 239048, 478096, 12579901, 25159802, 50319604, 100639208, 201278416]

約数ペア:

[(1, 201278416), (2, 100639208), (4, 50319604), (8, 25159802), (16, 12579901), (421, 478096), (842, 239048), (1684, 119524), (3368, 59762), (6736, 29881)]