31243888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{150211}}^1$

素因数の和:150232

約数の個数: 20

約数和(自身を含む): 65192008

約数和(自身を除く): 33948120

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 150211, 300422, 600844, 1201688, 1952743, 2403376, 3905486, 7810972, 15621944, 31243888]

約数ペア:

[(1, 31243888), (2, 15621944), (4, 7810972), (8, 3905486), (13, 2403376), (16, 1952743), (26, 1201688), (52, 600844), (104, 300422), (208, 150211)]