198613775

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{3931}}^1$

素因数の和:4031

約数の個数: 24

約数和(自身を含む): 257435904

約数和(自身を除く): 58822129

約数列:

[1, 5, 25, 43, 47, 215, 235, 1075, 1175, 2021, 3931, 10105, 19655, 50525, 98275, 169033, 184757, 845165, 923785, 4225825, 4618925, 7944551, 39722755, 198613775]

約数ペア:

[(1, 198613775), (5, 39722755), (25, 7944551), (43, 4618925), (47, 4225825), (215, 923785), (235, 845165), (1075, 184757), (1175, 169033), (2021, 98275), (3931, 50525), (10105, 19655)]