1985280374

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{80071}}^1$

素因数の和:80121

約数の個数: 48

約数和(自身を含む): 3943385856

約数和(自身を除く): 1958105482

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 49, 77, 98, 154, 161, 253, 322, 506, 539, 1078, 1127, 1771, 2254, 3542, 12397, 24794, 80071, 160142, 560497, 880781, 1120994, 1761562, 1841633, 3683266, 3923479, 6165467, 7846958, 12330934, 12891431, 20257963, 25782862, 40515926, 43158269, 86316538, 90240017, 141805741, 180480034, 283611482, 992640187, 1985280374]

約数ペア:

[(1, 1985280374), (2, 992640187), (7, 283611482), (11, 180480034), (14, 141805741), (22, 90240017), (23, 86316538), (46, 43158269), (49, 40515926), (77, 25782862), (98, 20257963), (154, 12891431), (161, 12330934), (253, 7846958), (322, 6165467), (506, 3923479), (539, 3683266), (1078, 1841633), (1127, 1761562), (1771, 1120994), (2254, 880781), (3542, 560497), (12397, 160142), (24794, 80071)]