680929692796

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{471557959}}^1$

素因数の和:471558001

約数の個数: 18

約数和(自身を含む): 1257645079320

約数和(自身を除く): 576715386524

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 471557959, 943115918, 1886231836, 8959601221, 17919202442, 35838404884, 170232423199, 340464846398, 680929692796]

約数ペア:

[(1, 680929692796), (2, 340464846398), (4, 170232423199), (19, 35838404884), (38, 17919202442), (76, 8959601221), (361, 1886231836), (722, 943115918), (1444, 471557959)]