161795564

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{304127}}^1$

素因数の和:304157

約数の個数: 24

約数和(自身を含む): 340623360

約数和(自身を除く): 178827796

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 304127, 608254, 1216508, 2128889, 4257778, 5778413, 8515556, 11556826, 23113652, 40448891, 80897782, 161795564]

約数ペア:

[(1, 161795564), (2, 80897782), (4, 40448891), (7, 23113652), (14, 11556826), (19, 8515556), (28, 5778413), (38, 4257778), (76, 2128889), (133, 1216508), (266, 608254), (532, 304127)]