1985021556

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{78509}}^1$

素因数の和:78573

約数の個数: 72

約数和(自身を含む): 5513286240

約数和(自身を除く): 3528264684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 49, 84, 86, 98, 129, 147, 172, 196, 258, 294, 301, 516, 588, 602, 903, 1204, 1806, 2107, 3612, 4214, 6321, 8428, 12642, 25284, 78509, 157018, 235527, 314036, 471054, 549563, 942108, 1099126, 1648689, 2198252, 3297378, 3375887, 3846941, 6594756, 6751774, 7693882, 10127661, 11540823, 13503548, 15387764, 20255322, 23081646, 23631209, 40510644, 46163292, 47262418, 70893627, 94524836, 141787254, 165418463, 283574508, 330836926, 496255389, 661673852, 992510778, 1985021556]

約数ペア:

[(1, 1985021556), (2, 992510778), (3, 661673852), (4, 496255389), (6, 330836926), (7, 283574508), (12, 165418463), (14, 141787254), (21, 94524836), (28, 70893627), (42, 47262418), (43, 46163292), (49, 40510644), (84, 23631209), (86, 23081646), (98, 20255322), (129, 15387764), (147, 13503548), (172, 11540823), (196, 10127661), (258, 7693882), (294, 6751774), (301, 6594756), (516, 3846941), (588, 3375887), (602, 3297378), (903, 2198252), (1204, 1648689), (1806, 1099126), (2107, 942108), (3612, 549563), (4214, 471054), (6321, 314036), (8428, 235527), (12642, 157018), (25284, 78509)]