423604784

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{645739}}^1$

素因数の和:645788

約数の個数: 20

約数和(自身を含む): 840753480

約数和(自身を除く): 417148696

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 645739, 1291478, 2582956, 5165912, 10331824, 26475299, 52950598, 105901196, 211802392, 423604784]

約数ペア:

[(1, 423604784), (2, 211802392), (4, 105901196), (8, 52950598), (16, 26475299), (41, 10331824), (82, 5165912), (164, 2582956), (328, 1291478), (656, 645739)]