15891212

素因数分解:

$2^2\times {\mathrm{107}}^2\times {\mathrm{347}}^1$

素因数の和:565

約数の個数: 18

約数和(自身を含む): 28152852

約数和(自身を除く): 12261640

約数列:

[1, 2, 4, 107, 214, 347, 428, 694, 1388, 11449, 22898, 37129, 45796, 74258, 148516, 3972803, 7945606, 15891212]

約数ペア:

[(1, 15891212), (2, 7945606), (4, 3972803), (107, 148516), (214, 74258), (347, 45796), (428, 37129), (694, 22898), (1388, 11449)]