311278812

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{337}}^1$

素因数の和:579

約数の個数: 96

約数和(自身を含む): 814055424

約数和(自身を除く): 502776612

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 191, 337, 372, 382, 403, 573, 674, 764, 806, 1011, 1146, 1209, 1348, 1612, 2022, 2292, 2418, 2483, 4044, 4381, 4836, 4966, 5921, 7449, 8762, 9932, 10447, 11842, 13143, 14898, 17524, 17763, 20894, 23684, 26286, 29796, 31341, 35526, 41788, 52572, 62682, 64367, 71052, 76973, 125364, 128734, 135811, 153946, 193101, 230919, 257468, 271622, 307892, 386202, 407433, 461838, 543244, 772404, 814866, 836771, 923676, 1629732, 1673542, 1995377, 2510313, 3347084, 3990754, 5020626, 5986131, 7981508, 10041252, 11972262, 23944524, 25939901, 51879802, 77819703, 103759604, 155639406, 311278812]

約数ペア:

[(1, 311278812), (2, 155639406), (3, 103759604), (4, 77819703), (6, 51879802), (12, 25939901), (13, 23944524), (26, 11972262), (31, 10041252), (39, 7981508), (52, 5986131), (62, 5020626), (78, 3990754), (93, 3347084), (124, 2510313), (156, 1995377), (186, 1673542), (191, 1629732), (337, 923676), (372, 836771), (382, 814866), (403, 772404), (573, 543244), (674, 461838), (764, 407433), (806, 386202), (1011, 307892), (1146, 271622), (1209, 257468), (1348, 230919), (1612, 193101), (2022, 153946), (2292, 135811), (2418, 128734), (2483, 125364), (4044, 76973), (4381, 71052), (4836, 64367), (4966, 62682), (5921, 52572), (7449, 41788), (8762, 35526), (9932, 31341), (10447, 29796), (11842, 26286), (13143, 23684), (14898, 20894), (17524, 17763)]