28613984

素因数分解:

$2^5\times 7^1\times {\mathrm{139}}^1\times {\mathrm{919}}^1$

素因数の和:1075

約数の個数: 48

約数和(自身を含む): 64915200

約数和(自身を除く): 36301216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 139, 224, 278, 556, 919, 973, 1112, 1838, 1946, 2224, 3676, 3892, 4448, 6433, 7352, 7784, 12866, 14704, 15568, 25732, 29408, 31136, 51464, 102928, 127741, 205856, 255482, 510964, 894187, 1021928, 1788374, 2043856, 3576748, 4087712, 7153496, 14306992, 28613984]

約数ペア:

[(1, 28613984), (2, 14306992), (4, 7153496), (7, 4087712), (8, 3576748), (14, 2043856), (16, 1788374), (28, 1021928), (32, 894187), (56, 510964), (112, 255482), (139, 205856), (224, 127741), (278, 102928), (556, 51464), (919, 31136), (973, 29408), (1112, 25732), (1838, 15568), (1946, 14704), (2224, 12866), (3676, 7784), (3892, 7352), (4448, 6433)]