261330407978

素因数分解:

$2^1\times {\mathrm{401}}^1\times {\mathrm{2309}}^1\times {\mathrm{141121}}^1$

素因数の和:143833

約数の個数: 16

約数和(自身を含む): 393146134920

約数和(自身を除く): 131815726942

約数列:

[1, 2, 401, 802, 2309, 4618, 141121, 282242, 925909, 1851818, 56589521, 113179042, 325848389, 651696778, 130665203989, 261330407978]

約数ペア:

[(1, 261330407978), (2, 130665203989), (401, 651696778), (802, 325848389), (2309, 113179042), (4618, 56589521), (141121, 1851818), (282242, 925909)]