198971485

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{75511}}^1$

素因数の和:75564

約数の個数: 16

約数和(自身を含む): 260969472

約数和(自身を除く): 61997987

約数列:

[1, 5, 17, 31, 85, 155, 527, 2635, 75511, 377555, 1283687, 2340841, 6418435, 11704205, 39794297, 198971485]

約数ペア:

[(1, 198971485), (5, 39794297), (17, 11704205), (31, 6418435), (85, 2340841), (155, 1283687), (527, 377555), (2635, 75511)]