990218594

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1\times {\mathrm{499}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 1542240000

約数和(自身を除く): 552021406

約数列:

[1, 2, 59, 67, 118, 134, 251, 499, 502, 998, 3953, 7906, 14809, 16817, 29441, 29618, 33433, 33634, 58882, 66866, 125249, 250498, 992203, 1972547, 1984406, 3945094, 7389691, 8391683, 14779382, 16783366, 495109297, 990218594]

約数ペア:

[(1, 990218594), (2, 495109297), (59, 16783366), (67, 14779382), (118, 8391683), (134, 7389691), (251, 3945094), (499, 1984406), (502, 1972547), (998, 992203), (3953, 250498), (7906, 125249), (14809, 66866), (16817, 58882), (29441, 33634), (29618, 33433)]