28480870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{258917}}^1$

素因数の和:258935

約数の個数: 16

約数和(自身を含む): 55926288

約数和(自身を除く): 27445418

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 258917, 517834, 1294585, 2589170, 2848087, 5696174, 14240435, 28480870]

約数ペア:

[(1, 28480870), (2, 14240435), (5, 5696174), (10, 2848087), (11, 2589170), (22, 1294585), (55, 517834), (110, 258917)]