398416

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{673}}^1$

素因数の和:718

約数の個数: 20

約数和(自身を含む): 793972

約数和(自身を除く): 395556

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 673, 1346, 2692, 5384, 10768, 24901, 49802, 99604, 199208, 398416]

約数ペア:

[(1, 398416), (2, 199208), (4, 99604), (8, 49802), (16, 24901), (37, 10768), (74, 5384), (148, 2692), (296, 1346), (592, 673)]