1320221738

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^2\times {\mathrm{281}}^1$

素因数の和:491

約数の個数: 48

約数和(自身を含む): 2265276672

約数和(自身を除く): 945054934

約数列:

[1, 2, 11, 22, 31, 62, 83, 166, 281, 341, 562, 682, 913, 1826, 2573, 3091, 5146, 6182, 6889, 8711, 13778, 17422, 23323, 28303, 46646, 56606, 75779, 95821, 151558, 191642, 213559, 256553, 427118, 513106, 723013, 1446026, 1935809, 2349149, 3871618, 4698298, 7953143, 15906286, 21293899, 42587798, 60010079, 120020158, 660110869, 1320221738]

約数ペア:

[(1, 1320221738), (2, 660110869), (11, 120020158), (22, 60010079), (31, 42587798), (62, 21293899), (83, 15906286), (166, 7953143), (281, 4698298), (341, 3871618), (562, 2349149), (682, 1935809), (913, 1446026), (1826, 723013), (2573, 513106), (3091, 427118), (5146, 256553), (6182, 213559), (6889, 191642), (8711, 151558), (13778, 95821), (17422, 75779), (23323, 56606), (28303, 46646)]