261293392

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{308129}}^1$

素因数の和:308190

約数の個数: 20

約数和(自身を含む): 515809620

約数和(自身を除く): 254516228

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 308129, 616258, 1232516, 2465032, 4930064, 16330837, 32661674, 65323348, 130646696, 261293392]

約数ペア:

[(1, 261293392), (2, 130646696), (4, 65323348), (8, 32661674), (16, 16330837), (53, 4930064), (106, 2465032), (212, 1232516), (424, 616258), (848, 308129)]