28215784

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{207469}}^1$

素因数の和:207492

約数の個数: 16

約数和(自身を含む): 56016900

約数和(自身を除く): 27801116

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 207469, 414938, 829876, 1659752, 3526973, 7053946, 14107892, 28215784]

約数ペア:

[(1, 28215784), (2, 14107892), (4, 7053946), (8, 3526973), (17, 1659752), (34, 829876), (68, 414938), (136, 207469)]