398889296

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1917737}}^1$

素因数の和:1917758

約数の個数: 20

約数和(自身を含む): 832298292

約数和(自身を除く): 433408996

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1917737, 3835474, 7670948, 15341896, 24930581, 30683792, 49861162, 99722324, 199444648, 398889296]

約数ペア:

[(1, 398889296), (2, 199444648), (4, 99722324), (8, 49861162), (13, 30683792), (16, 24930581), (26, 15341896), (52, 7670948), (104, 3835474), (208, 1917737)]