198275

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1$

素因数の和:131

約数の個数: 24

約数和(自身を含む): 309504

約数和(自身を除く): 111229

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 103, 175, 275, 385, 515, 721, 1133, 1925, 2575, 3605, 5665, 7931, 18025, 28325, 39655, 198275]

約数ペア:

[(1, 198275), (5, 39655), (7, 28325), (11, 18025), (25, 7931), (35, 5665), (55, 3605), (77, 2575), (103, 1925), (175, 1133), (275, 721), (385, 515)]