1238212

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:291

約数の個数: 24

約数和(自身を含む): 2328480

約数和(自身を除く): 1090268

約数列:

[1, 2, 4, 17, 34, 68, 131, 139, 262, 278, 524, 556, 2227, 2363, 4454, 4726, 8908, 9452, 18209, 36418, 72836, 309553, 619106, 1238212]

約数ペア:

[(1, 1238212), (2, 619106), (4, 309553), (17, 72836), (34, 36418), (68, 18209), (131, 9452), (139, 8908), (262, 4726), (278, 4454), (524, 2363), (556, 2227)]