78642544

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{289127}}^1$

素因数の和:289152

約数の個数: 20

約数和(自身を含む): 161333424

約数和(自身を除く): 82690880

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 289127, 578254, 1156508, 2313016, 4626032, 4915159, 9830318, 19660636, 39321272, 78642544]

約数ペア:

[(1, 78642544), (2, 39321272), (4, 19660636), (8, 9830318), (16, 4915159), (17, 4626032), (34, 2313016), (68, 1156508), (136, 578254), (272, 289127)]