261288252

素因数分解:

$2^2\times 3^2\times {\mathrm{7258007}}^1$

素因数の和:7258017

約数の個数: 18

約数和(自身を含む): 660478728

約数和(自身を除く): 399190476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 7258007, 14516014, 21774021, 29032028, 43548042, 65322063, 87096084, 130644126, 261288252]

約数ペア:

[(1, 261288252), (2, 130644126), (3, 87096084), (4, 65322063), (6, 43548042), (9, 29032028), (12, 21774021), (18, 14516014), (36, 7258007)]