15987608

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21961}}^1$

素因数の和:21987

約数の個数: 32

約数和(自身を含む): 36896160

約数和(自身を除く): 20908552

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 21961, 43922, 87844, 153727, 175688, 285493, 307454, 570986, 614908, 1141972, 1229816, 1998451, 2283944, 3996902, 7993804, 15987608]

約数ペア:

[(1, 15987608), (2, 7993804), (4, 3996902), (7, 2283944), (8, 1998451), (13, 1229816), (14, 1141972), (26, 614908), (28, 570986), (52, 307454), (56, 285493), (91, 175688), (104, 153727), (182, 87844), (364, 43922), (728, 21961)]