2016989912

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{404693}}^1$

素因数の和:404795

約数の個数: 32

約数和(自身を含む): 4370695200

約数和(自身を除く): 2353705288

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 356, 623, 712, 1246, 2492, 4984, 404693, 809386, 1618772, 2832851, 3237544, 5665702, 11331404, 22662808, 36017677, 72035354, 144070708, 252123739, 288141416, 504247478, 1008494956, 2016989912]

約数ペア:

[(1, 2016989912), (2, 1008494956), (4, 504247478), (7, 288141416), (8, 252123739), (14, 144070708), (28, 72035354), (56, 36017677), (89, 22662808), (178, 11331404), (356, 5665702), (623, 3237544), (712, 2832851), (1246, 1618772), (2492, 809386), (4984, 404693)]