38263888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2591}}^1$

素因数の和:2683

約数の個数: 40

約数和(自身を含む): 80994816

約数和(自身を除く): 42730928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1846, 2591, 3692, 5182, 7384, 10364, 14768, 20728, 33683, 41456, 67366, 134732, 183961, 269464, 367922, 538928, 735844, 1471688, 2391493, 2943376, 4782986, 9565972, 19131944, 38263888]

約数ペア:

[(1, 38263888), (2, 19131944), (4, 9565972), (8, 4782986), (13, 2943376), (16, 2391493), (26, 1471688), (52, 735844), (71, 538928), (104, 367922), (142, 269464), (208, 183961), (284, 134732), (568, 67366), (923, 41456), (1136, 33683), (1846, 20728), (2591, 14768), (3692, 10364), (5182, 7384)]