12138621890

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{69233}}^1$

素因数の和:69526

約数の個数: 32

約数和(自身を含む): 22207497840

約数和(自身を除く): 10068875950

約数列:

[1, 2, 5, 10, 89, 178, 197, 394, 445, 890, 985, 1970, 17533, 35066, 69233, 87665, 138466, 175330, 346165, 692330, 6161737, 12323474, 13638901, 27277802, 30808685, 61617370, 68194505, 136389010, 1213862189, 2427724378, 6069310945, 12138621890]

約数ペア:

[(1, 12138621890), (2, 6069310945), (5, 2427724378), (10, 1213862189), (89, 136389010), (178, 68194505), (197, 61617370), (394, 30808685), (445, 27277802), (890, 13638901), (985, 12323474), (1970, 6161737), (17533, 692330), (35066, 346165), (69233, 175330), (87665, 138466)]