280888112

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{42923}}^1$

素因数の和:43340

約数の個数: 20

約数和(自身を含む): 545564040

約数和(自身を除く): 264675928

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 42923, 85846, 171692, 343384, 686768, 17555507, 35111014, 70222028, 140444056, 280888112]

約数ペア:

[(1, 280888112), (2, 140444056), (4, 70222028), (8, 35111014), (16, 17555507), (409, 686768), (818, 343384), (1636, 171692), (3272, 85846), (6544, 42923)]