66401296

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{319237}}^1$

素因数の和:319258

約数の個数: 20

約数和(自身を含む): 138549292

約数和(自身を除く): 72147996

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 319237, 638474, 1276948, 2553896, 4150081, 5107792, 8300162, 16600324, 33200648, 66401296]

約数ペア:

[(1, 66401296), (2, 33200648), (4, 16600324), (8, 8300162), (13, 5107792), (16, 4150081), (26, 2553896), (52, 1276948), (104, 638474), (208, 319237)]