198865705

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^2\times {\mathrm{163}}^1$

素因数の和:397

約数の個数: 24

約数和(自身を含む): 252998208

約数和(自身を除く): 54132503

約数列:

[1, 5, 23, 103, 115, 163, 515, 815, 2369, 3749, 10609, 11845, 16789, 18745, 53045, 83945, 244007, 386147, 1220035, 1729267, 1930735, 8646335, 39773141, 198865705]

約数ペア:

[(1, 198865705), (5, 39773141), (23, 8646335), (103, 1930735), (115, 1729267), (163, 1220035), (515, 386147), (815, 244007), (2369, 83945), (3749, 53045), (10609, 18745), (11845, 16789)]