219963344

素因数分解:

$2^4\times {\mathrm{2089}}^1\times {\mathrm{6581}}^1$

素因数の和:8678

約数の個数: 20

約数和(自身を含む): 426447780

約数和(自身を除く): 206484436

約数列:

[1, 2, 4, 8, 16, 2089, 4178, 6581, 8356, 13162, 16712, 26324, 33424, 52648, 105296, 13747709, 27495418, 54990836, 109981672, 219963344]

約数ペア:

[(1, 219963344), (2, 109981672), (4, 54990836), (8, 27495418), (16, 13747709), (2089, 105296), (4178, 52648), (6581, 33424), (8356, 26324), (13162, 16712)]