128428404

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{613}}^1$

素因数の和:729

約数の個数: 96

約数和(自身を含む): 346590720

約数和(自身を除く): 218162316

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 79, 102, 156, 158, 204, 221, 237, 316, 442, 474, 613, 663, 884, 948, 1027, 1226, 1326, 1343, 1839, 2054, 2452, 2652, 2686, 3081, 3678, 4029, 4108, 5372, 6162, 7356, 7969, 8058, 10421, 12324, 15938, 16116, 17459, 20842, 23907, 31263, 31876, 34918, 41684, 47814, 48427, 52377, 62526, 69836, 95628, 96854, 104754, 125052, 135473, 145281, 193708, 209508, 270946, 290562, 406419, 541892, 581124, 629551, 812838, 823259, 1259102, 1625676, 1646518, 1888653, 2469777, 2518204, 3293036, 3777306, 4939554, 7554612, 9879108, 10702367, 21404734, 32107101, 42809468, 64214202, 128428404]

約数ペア:

[(1, 128428404), (2, 64214202), (3, 42809468), (4, 32107101), (6, 21404734), (12, 10702367), (13, 9879108), (17, 7554612), (26, 4939554), (34, 3777306), (39, 3293036), (51, 2518204), (52, 2469777), (68, 1888653), (78, 1646518), (79, 1625676), (102, 1259102), (156, 823259), (158, 812838), (204, 629551), (221, 581124), (237, 541892), (316, 406419), (442, 290562), (474, 270946), (613, 209508), (663, 193708), (884, 145281), (948, 135473), (1027, 125052), (1226, 104754), (1326, 96854), (1343, 95628), (1839, 69836), (2054, 62526), (2452, 52377), (2652, 48427), (2686, 47814), (3081, 41684), (3678, 34918), (4029, 31876), (4108, 31263), (5372, 23907), (6162, 20842), (7356, 17459), (7969, 16116), (8058, 15938), (10421, 12324)]