261640262

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{347003}}^1$

素因数の和:347047

約数の個数: 16

約数和(自身を含む): 437225040

約数和(自身を除く): 175584778

約数列:

[1, 2, 13, 26, 29, 58, 377, 754, 347003, 694006, 4511039, 9022078, 10063087, 20126174, 130820131, 261640262]

約数ペア:

[(1, 261640262), (2, 130820131), (13, 20126174), (26, 10063087), (29, 9022078), (58, 4511039), (377, 694006), (754, 347003)]