637291228

素因数分解:

$2^2\times 7^1\times {\mathrm{563}}^1\times {\mathrm{40427}}^1$

素因数の和:41001

約数の個数: 24

約数和(自身を含む): 1276877952

約数和(自身を除く): 639586724

約数列:

[1, 2, 4, 7, 14, 28, 563, 1126, 2252, 3941, 7882, 15764, 40427, 80854, 161708, 282989, 565978, 1131956, 22760401, 45520802, 91041604, 159322807, 318645614, 637291228]

約数ペア:

[(1, 637291228), (2, 318645614), (4, 159322807), (7, 91041604), (14, 45520802), (28, 22760401), (563, 1131956), (1126, 565978), (2252, 282989), (3941, 161708), (7882, 80854), (15764, 40427)]