208399356

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{821}}^1$

素因数の和:1483

約数の個数: 72

約数和(自身を含む): 576274608

約数和(自身を除く): 367875252

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 641, 821, 1282, 1642, 1923, 2463, 2564, 3284, 3846, 4926, 5769, 7051, 7389, 7692, 9031, 9852, 11538, 14102, 14778, 18062, 21153, 23076, 27093, 28204, 29556, 36124, 42306, 54186, 63459, 81279, 84612, 108372, 126918, 162558, 253836, 325116, 526261, 1052522, 1578783, 2105044, 3157566, 4736349, 5788871, 6315132, 9472698, 11577742, 17366613, 18945396, 23155484, 34733226, 52099839, 69466452, 104199678, 208399356]

約数ペア:

[(1, 208399356), (2, 104199678), (3, 69466452), (4, 52099839), (6, 34733226), (9, 23155484), (11, 18945396), (12, 17366613), (18, 11577742), (22, 9472698), (33, 6315132), (36, 5788871), (44, 4736349), (66, 3157566), (99, 2105044), (132, 1578783), (198, 1052522), (396, 526261), (641, 325116), (821, 253836), (1282, 162558), (1642, 126918), (1923, 108372), (2463, 84612), (2564, 81279), (3284, 63459), (3846, 54186), (4926, 42306), (5769, 36124), (7051, 29556), (7389, 28204), (7692, 27093), (9031, 23076), (9852, 21153), (11538, 18062), (14102, 14778)]