28757716

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{2239}}^1$

素因数の和:2288

約数の個数: 36

約数和(自身を含む): 57388800

約数和(自身を除く): 28631084

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 169, 247, 338, 494, 676, 988, 2239, 3211, 4478, 6422, 8956, 12844, 29107, 42541, 58214, 85082, 116428, 170164, 378391, 553033, 756782, 1106066, 1513564, 2212132, 7189429, 14378858, 28757716]

約数ペア:

[(1, 28757716), (2, 14378858), (4, 7189429), (13, 2212132), (19, 1513564), (26, 1106066), (38, 756782), (52, 553033), (76, 378391), (169, 170164), (247, 116428), (338, 85082), (494, 58214), (676, 42541), (988, 29107), (2239, 12844), (3211, 8956), (4478, 6422)]