28240706

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{353}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 48707568

約数和(自身を除く): 20466862

約数列:

[1, 2, 13, 17, 26, 34, 181, 221, 353, 362, 442, 706, 2353, 3077, 4589, 4706, 6001, 6154, 9178, 12002, 40001, 63893, 78013, 80002, 127786, 156026, 830609, 1086181, 1661218, 2172362, 14120353, 28240706]

約数ペア:

[(1, 28240706), (2, 14120353), (13, 2172362), (17, 1661218), (26, 1086181), (34, 830609), (181, 156026), (221, 127786), (353, 80002), (362, 78013), (442, 63893), (706, 40001), (2353, 12002), (3077, 9178), (4589, 6154), (4706, 6001)]