28907888

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{106279}}^1$

素因数の和:106304

約数の個数: 20

約数和(自身を含む): 59304240

約数和(自身を除く): 30396352

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 106279, 212558, 425116, 850232, 1700464, 1806743, 3613486, 7226972, 14453944, 28907888]

約数ペア:

[(1, 28907888), (2, 14453944), (4, 7226972), (8, 3613486), (16, 1806743), (17, 1700464), (34, 850232), (68, 425116), (136, 212558), (272, 106279)]