31491512

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15937}}^1$

素因数の和:15975

約数の個数: 32

約数和(自身を含む): 66939600

約数和(自身を除く): 35448088

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 15937, 31874, 63748, 127496, 207181, 302803, 414362, 605606, 828724, 1211212, 1657448, 2422424, 3936439, 7872878, 15745756, 31491512]

約数ペア:

[(1, 31491512), (2, 15745756), (4, 7872878), (8, 3936439), (13, 2422424), (19, 1657448), (26, 1211212), (38, 828724), (52, 605606), (76, 414362), (104, 302803), (152, 207181), (247, 127496), (494, 63748), (988, 31874), (1976, 15937)]