28378872

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{17137}}^1$

素因数の和:17172

約数の個数: 48

約数和(自身を含む): 80205840

約数和(自身を除く): 51826968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 17137, 34274, 51411, 68548, 102822, 137096, 154233, 205644, 308466, 394151, 411288, 616932, 788302, 1182453, 1233864, 1576604, 2364906, 3153208, 3547359, 4729812, 7094718, 9459624, 14189436, 28378872]

約数ペア:

[(1, 28378872), (2, 14189436), (3, 9459624), (4, 7094718), (6, 4729812), (8, 3547359), (9, 3153208), (12, 2364906), (18, 1576604), (23, 1233864), (24, 1182453), (36, 788302), (46, 616932), (69, 411288), (72, 394151), (92, 308466), (138, 205644), (184, 154233), (207, 137096), (276, 102822), (414, 68548), (552, 51411), (828, 34274), (1656, 17137)]