90108382

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15971}}^1$

素因数の和:16024

約数の個数: 32

約数和(自身を含む): 171730944

約数和(自身を除く): 81622562

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 5642, 15971, 31942, 111797, 207623, 223594, 415246, 495101, 990202, 1453361, 2906722, 3465707, 6436313, 6931414, 12872626, 45054191, 90108382]

約数ペア:

[(1, 90108382), (2, 45054191), (7, 12872626), (13, 6931414), (14, 6436313), (26, 3465707), (31, 2906722), (62, 1453361), (91, 990202), (182, 495101), (217, 415246), (403, 223594), (434, 207623), (806, 111797), (2821, 31942), (5642, 15971)]