199904428

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{22441}}^1$

素因数の和:22593

約数の個数: 24

約数和(自身を含む): 373255344

約数和(自身を除く): 173350916

約数列:

[1, 2, 4, 17, 34, 68, 131, 262, 524, 2227, 4454, 8908, 22441, 44882, 89764, 381497, 762994, 1525988, 2939771, 5879542, 11759084, 49976107, 99952214, 199904428]

約数ペア:

[(1, 199904428), (2, 99952214), (4, 49976107), (17, 11759084), (34, 5879542), (68, 2939771), (131, 1525988), (262, 762994), (524, 381497), (2227, 89764), (4454, 44882), (8908, 22441)]