128520708

素因数分解:

$2^2\times 3^1\times {\mathrm{419}}^1\times {\mathrm{25561}}^1$

素因数の和:25987

約数の個数: 24

約数和(自身を含む): 300609120

約数和(自身を除く): 172088412

約数列:

[1, 2, 3, 4, 6, 12, 419, 838, 1257, 1676, 2514, 5028, 25561, 51122, 76683, 102244, 153366, 306732, 10710059, 21420118, 32130177, 42840236, 64260354, 128520708]

約数ペア:

[(1, 128520708), (2, 64260354), (3, 42840236), (4, 32130177), (6, 21420118), (12, 10710059), (419, 306732), (838, 153366), (1257, 102244), (1676, 76683), (2514, 51122), (5028, 25561)]