28172872

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38699}}^1$

素因数の和:38725

約数の個数: 32

約数和(自身を含む): 65016000

約数和(自身を除く): 36843128

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 38699, 77398, 154796, 270893, 309592, 503087, 541786, 1006174, 1083572, 2012348, 2167144, 3521609, 4024696, 7043218, 14086436, 28172872]

約数ペア:

[(1, 28172872), (2, 14086436), (4, 7043218), (7, 4024696), (8, 3521609), (13, 2167144), (14, 2012348), (26, 1083572), (28, 1006174), (52, 541786), (56, 503087), (91, 309592), (104, 270893), (182, 154796), (364, 77398), (728, 38699)]