28273904

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{24889}}^1$

素因数の和:24968

約数の個数: 20

約数和(自身を含む): 55554480

約数和(自身を除く): 27280576

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 24889, 49778, 99556, 199112, 398224, 1767119, 3534238, 7068476, 14136952, 28273904]

約数ペア:

[(1, 28273904), (2, 14136952), (4, 7068476), (8, 3534238), (16, 1767119), (71, 398224), (142, 199112), (284, 99556), (568, 49778), (1136, 24889)]