278316785

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1\times {\mathrm{1213}}^1$

素因数の和:1748

約数の個数: 16

約数和(自身を含む): 338123280

約数和(自身を除く): 59806495

約数列:

[1, 5, 109, 421, 545, 1213, 2105, 6065, 45889, 132217, 229445, 510673, 661085, 2553365, 55663357, 278316785]

約数ペア:

[(1, 278316785), (5, 55663357), (109, 2553365), (421, 661085), (545, 510673), (1213, 229445), (2105, 132217), (6065, 45889)]