55780228

素因数分解:

$2^2\times 7^2\times {\mathrm{284593}}^1$

素因数の和:284611

約数の個数: 18

約数和(自身を含む): 113553006

約数和(自身を除く): 57772778

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 284593, 569186, 1138372, 1992151, 3984302, 7968604, 13945057, 27890114, 55780228]

約数ペア:

[(1, 55780228), (2, 27890114), (4, 13945057), (7, 7968604), (14, 3984302), (28, 1992151), (49, 1138372), (98, 569186), (196, 284593)]