31238012

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{8461}}^1$

素因数の和:8549

約数の個数: 24

約数和(自身を含む): 59707872

約数和(自身を除く): 28469860

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 8461, 16922, 33844, 109993, 219986, 439972, 600731, 1201462, 2402924, 7809503, 15619006, 31238012]

約数ペア:

[(1, 31238012), (2, 15619006), (4, 7809503), (13, 2402924), (26, 1201462), (52, 600731), (71, 439972), (142, 219986), (284, 109993), (923, 33844), (1846, 16922), (3692, 8461)]