28124528

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{103399}}^1$

素因数の和:103424

約数の個数: 20

約数和(自身を含む): 57697200

約数和(自身を除く): 29572672

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 103399, 206798, 413596, 827192, 1654384, 1757783, 3515566, 7031132, 14062264, 28124528]

約数ペア:

[(1, 28124528), (2, 14062264), (4, 7031132), (8, 3515566), (16, 1757783), (17, 1654384), (34, 827192), (68, 413596), (136, 206798), (272, 103399)]