289335508

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:325

約数の個数: 96

約数和(自身を含む): 651442176

約数和(自身を除く): 362106668

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 101, 131, 142, 154, 202, 262, 284, 308, 404, 497, 524, 707, 781, 917, 994, 1111, 1414, 1441, 1562, 1834, 1988, 2222, 2828, 2882, 3124, 3668, 4444, 5467, 5764, 7171, 7777, 9301, 10087, 10934, 13231, 14342, 15554, 18602, 20174, 21868, 26462, 28684, 31108, 37204, 40348, 50197, 52924, 65107, 78881, 92617, 100394, 102311, 130214, 145541, 157762, 185234, 200788, 204622, 260428, 291082, 315524, 370468, 409244, 552167, 582164, 716177, 939401, 1018787, 1104334, 1432354, 1878802, 2037574, 2208668, 2864708, 3757604, 4075148, 6575807, 10333411, 13151614, 20666822, 26303228, 41333644, 72333877, 144667754, 289335508]

約数ペア:

[(1, 289335508), (2, 144667754), (4, 72333877), (7, 41333644), (11, 26303228), (14, 20666822), (22, 13151614), (28, 10333411), (44, 6575807), (71, 4075148), (77, 3757604), (101, 2864708), (131, 2208668), (142, 2037574), (154, 1878802), (202, 1432354), (262, 1104334), (284, 1018787), (308, 939401), (404, 716177), (497, 582164), (524, 552167), (707, 409244), (781, 370468), (917, 315524), (994, 291082), (1111, 260428), (1414, 204622), (1441, 200788), (1562, 185234), (1834, 157762), (1988, 145541), (2222, 130214), (2828, 102311), (2882, 100394), (3124, 92617), (3668, 78881), (4444, 65107), (5467, 52924), (5764, 50197), (7171, 40348), (7777, 37204), (9301, 31108), (10087, 28684), (10934, 26462), (13231, 21868), (14342, 20174), (15554, 18602)]