138655216

素因数分解:

$2^4\times 7^1\times {\mathrm{1237993}}^1$

素因数の和:1238008

約数の個数: 20

約数和(自身を含む): 307022512

約数和(自身を除く): 168367296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1237993, 2475986, 4951972, 8665951, 9903944, 17331902, 19807888, 34663804, 69327608, 138655216]

約数ペア:

[(1, 138655216), (2, 69327608), (4, 34663804), (7, 19807888), (8, 17331902), (14, 9903944), (16, 8665951), (28, 4951972), (56, 2475986), (112, 1237993)]