161233648

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{245783}}^1$

素因数の和:245832

約数の個数: 20

約数和(自身を含む): 320010768

約数和(自身を除く): 158777120

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 245783, 491566, 983132, 1966264, 3932528, 10077103, 20154206, 40308412, 80616824, 161233648]

約数ペア:

[(1, 161233648), (2, 80616824), (4, 40308412), (8, 20154206), (16, 10077103), (41, 3932528), (82, 1966264), (164, 983132), (328, 491566), (656, 245783)]