81879076

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 153216000

約数和(自身を除く): 71336924

約数列:

[1, 2, 4, 37, 47, 74, 79, 94, 148, 149, 158, 188, 298, 316, 596, 1739, 2923, 3478, 3713, 5513, 5846, 6956, 7003, 7426, 11026, 11692, 11771, 14006, 14852, 22052, 23542, 28012, 47084, 137381, 259111, 274762, 435527, 518222, 549524, 553237, 871054, 1036444, 1106474, 1742108, 2212948, 20469769, 40939538, 81879076]

約数ペア:

[(1, 81879076), (2, 40939538), (4, 20469769), (37, 2212948), (47, 1742108), (74, 1106474), (79, 1036444), (94, 871054), (148, 553237), (149, 549524), (158, 518222), (188, 435527), (298, 274762), (316, 259111), (596, 137381), (1739, 47084), (2923, 28012), (3478, 23542), (3713, 22052), (5513, 14852), (5846, 14006), (6956, 11771), (7003, 11692), (7426, 11026)]