161496872

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{8543}}^1$

素因数の和:8705

約数の個数: 32

約数和(自身を含む): 322963200

約数和(自身を除く): 161466328

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 139, 278, 556, 1112, 2363, 4726, 8543, 9452, 17086, 18904, 34172, 68344, 145231, 290462, 580924, 1161848, 1187477, 2374954, 4749908, 9499816, 20187109, 40374218, 80748436, 161496872]

約数ペア:

[(1, 161496872), (2, 80748436), (4, 40374218), (8, 20187109), (17, 9499816), (34, 4749908), (68, 2374954), (136, 1187477), (139, 1161848), (278, 580924), (556, 290462), (1112, 145231), (2363, 68344), (4726, 34172), (8543, 18904), (9452, 17086)]