219604036

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{641}}^1\times {\mathrm{2089}}^1$

素因数の和:2775

約数の個数: 24

約数和(自身を含む): 394483320

約数和(自身を除く): 174879284

約数列:

[1, 2, 4, 41, 82, 164, 641, 1282, 2089, 2564, 4178, 8356, 26281, 52562, 85649, 105124, 171298, 342596, 1339049, 2678098, 5356196, 54901009, 109802018, 219604036]

約数ペア:

[(1, 219604036), (2, 109802018), (4, 54901009), (41, 5356196), (82, 2678098), (164, 1339049), (641, 342596), (1282, 171298), (2089, 105124), (2564, 85649), (4178, 52562), (8356, 26281)]