66609296

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{320237}}^1$

素因数の和:320258

約数の個数: 20

約数和(自身を含む): 138983292

約数和(自身を除く): 72373996

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 320237, 640474, 1280948, 2561896, 4163081, 5123792, 8326162, 16652324, 33304648, 66609296]

約数ペア:

[(1, 66609296), (2, 33304648), (4, 16652324), (8, 8326162), (13, 5123792), (16, 4163081), (26, 2561896), (52, 1280948), (104, 640474), (208, 320237)]