31366664

素因数分解:

$2^3\times 7^4\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:128

約数の個数: 80

約数和(自身を含む): 72601920

約数和(自身を除く): 41235256

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 49, 56, 71, 92, 98, 142, 161, 184, 196, 284, 322, 343, 392, 497, 568, 644, 686, 994, 1127, 1288, 1372, 1633, 1988, 2254, 2401, 2744, 3266, 3479, 3976, 4508, 4802, 6532, 6958, 7889, 9016, 9604, 11431, 13064, 13916, 15778, 19208, 22862, 24353, 27832, 31556, 45724, 48706, 55223, 63112, 80017, 91448, 97412, 110446, 160034, 170471, 194824, 220892, 320068, 340942, 441784, 560119, 640136, 681884, 1120238, 1363768, 2240476, 3920833, 4480952, 7841666, 15683332, 31366664]

約数ペア:

[(1, 31366664), (2, 15683332), (4, 7841666), (7, 4480952), (8, 3920833), (14, 2240476), (23, 1363768), (28, 1120238), (46, 681884), (49, 640136), (56, 560119), (71, 441784), (92, 340942), (98, 320068), (142, 220892), (161, 194824), (184, 170471), (196, 160034), (284, 110446), (322, 97412), (343, 91448), (392, 80017), (497, 63112), (568, 55223), (644, 48706), (686, 45724), (994, 31556), (1127, 27832), (1288, 24353), (1372, 22862), (1633, 19208), (1988, 15778), (2254, 13916), (2401, 13064), (2744, 11431), (3266, 9604), (3479, 9016), (3976, 7889), (4508, 6958), (4802, 6532)]