281499998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{54959}}^1$

素因数の和:55171

約数の個数: 16

約数和(自身を含む): 457047360

約数和(自身を除く): 175547362

約数列:

[1, 2, 13, 26, 197, 394, 2561, 5122, 54959, 109918, 714467, 1428934, 10826923, 21653846, 140749999, 281499998]

約数ペア:

[(1, 281499998), (2, 140749999), (13, 21653846), (26, 10826923), (197, 1428934), (394, 714467), (2561, 109918), (5122, 54959)]