197881490

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{73019}}^1$

素因数の和:73297

約数の個数: 16

約数和(自身を含む): 357505920

約数和(自身を除く): 159624430

約数列:

[1, 2, 5, 10, 271, 542, 1355, 2710, 73019, 146038, 365095, 730190, 19788149, 39576298, 98940745, 197881490]

約数ペア:

[(1, 197881490), (2, 98940745), (5, 39576298), (10, 19788149), (271, 730190), (542, 365095), (1355, 146038), (2710, 73019)]