28724072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1987}}^1$

素因数の和:2145

約数の個数: 32

約数和(自身を含む): 58447200

約数和(自身を除く): 29723128

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 139, 278, 556, 1112, 1807, 1987, 3614, 3974, 7228, 7948, 14456, 15896, 25831, 51662, 103324, 206648, 276193, 552386, 1104772, 2209544, 3590509, 7181018, 14362036, 28724072]

約数ペア:

[(1, 28724072), (2, 14362036), (4, 7181018), (8, 3590509), (13, 2209544), (26, 1104772), (52, 552386), (104, 276193), (139, 206648), (278, 103324), (556, 51662), (1112, 25831), (1807, 15896), (1987, 14456), (3614, 7948), (3974, 7228)]