172321810

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{87473}}^1$

素因数の和:87677

約数の個数: 16

約数和(自身を含む): 311757336

約数和(自身を除く): 139435526

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 87473, 174946, 437365, 874730, 17232181, 34464362, 86160905, 172321810]

約数ペア:

[(1, 172321810), (2, 86160905), (5, 34464362), (10, 17232181), (197, 874730), (394, 437365), (985, 174946), (1970, 87473)]