81306914

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{293}}^1\times {\mathrm{821}}^1$

素因数の和:1142

約数の個数: 24

約数和(自身を含む): 132675732

約数和(自身を除く): 51368818

約数列:

[1, 2, 13, 26, 169, 293, 338, 586, 821, 1642, 3809, 7618, 10673, 21346, 49517, 99034, 138749, 240553, 277498, 481106, 3127189, 6254378, 40653457, 81306914]

約数ペア:

[(1, 81306914), (2, 40653457), (13, 6254378), (26, 3127189), (169, 481106), (293, 277498), (338, 240553), (586, 138749), (821, 99034), (1642, 49517), (3809, 21346), (7618, 10673)]