128440578

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{9239}}^1$

素因数の和:9582

約数の個数: 32

約数和(自身を含む): 294497280

約数和(自身を除く): 166056702

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 331, 662, 993, 1986, 2317, 4634, 6951, 9239, 13902, 18478, 27717, 55434, 64673, 129346, 194019, 388038, 3058109, 6116218, 9174327, 18348654, 21406763, 42813526, 64220289, 128440578]

約数ペア:

[(1, 128440578), (2, 64220289), (3, 42813526), (6, 21406763), (7, 18348654), (14, 9174327), (21, 6116218), (42, 3058109), (331, 388038), (662, 194019), (993, 129346), (1986, 64673), (2317, 55434), (4634, 27717), (6951, 18478), (9239, 13902)]