68406904

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{227}}^1\times {\mathrm{271}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 130233600

約数和(自身を除く): 61826696

約数列:

[1, 2, 4, 8, 139, 227, 271, 278, 454, 542, 556, 908, 1084, 1112, 1816, 2168, 31553, 37669, 61517, 63106, 75338, 123034, 126212, 150676, 246068, 252424, 301352, 492136, 8550863, 17101726, 34203452, 68406904]

約数ペア:

[(1, 68406904), (2, 34203452), (4, 17101726), (8, 8550863), (139, 492136), (227, 301352), (271, 252424), (278, 246068), (454, 150676), (542, 126212), (556, 123034), (908, 75338), (1084, 63106), (1112, 61517), (1816, 37669), (2168, 31553)]