81419702

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{14431}}^1$

素因数の和:14484

約数の個数: 32

約数和(自身を含む): 155172864

約数和(自身を除く): 73753162

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 5642, 14431, 28862, 101017, 187603, 202034, 375206, 447361, 894722, 1313221, 2626442, 3131527, 5815693, 6263054, 11631386, 40709851, 81419702]

約数ペア:

[(1, 81419702), (2, 40709851), (7, 11631386), (13, 6263054), (14, 5815693), (26, 3131527), (31, 2626442), (62, 1313221), (91, 894722), (182, 447361), (217, 375206), (403, 202034), (434, 187603), (806, 101017), (2821, 28862), (5642, 14431)]