215854559

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{571}}^1\times {\mathrm{601}}^1$

素因数の和:1226

約数の個数: 16

約数和(自身を含む): 235531296

約数和(自身を除く): 19676737

約数列:

[1, 17, 37, 571, 601, 629, 9707, 10217, 21127, 22237, 343171, 359159, 378029, 5833907, 12697327, 215854559]

約数ペア:

[(1, 215854559), (17, 12697327), (37, 5833907), (571, 378029), (601, 359159), (629, 343171), (9707, 22237), (10217, 21127)]