51131556

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{613}}^1$

素因数の和:961

約数の個数: 72

約数和(自身を含む): 148401344

約数和(自身を除く): 97269788

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 331, 613, 662, 993, 1226, 1324, 1839, 1986, 2317, 2452, 2979, 3678, 3972, 4291, 4634, 5517, 5958, 6951, 7356, 8582, 9268, 11034, 11916, 12873, 13902, 17164, 20853, 22068, 25746, 27804, 38619, 41706, 51492, 77238, 83412, 154476, 202903, 405806, 608709, 811612, 1217418, 1420321, 1826127, 2434836, 2840642, 3652254, 4260963, 5681284, 7304508, 8521926, 12782889, 17043852, 25565778, 51131556]

約数ペア:

[(1, 51131556), (2, 25565778), (3, 17043852), (4, 12782889), (6, 8521926), (7, 7304508), (9, 5681284), (12, 4260963), (14, 3652254), (18, 2840642), (21, 2434836), (28, 1826127), (36, 1420321), (42, 1217418), (63, 811612), (84, 608709), (126, 405806), (252, 202903), (331, 154476), (613, 83412), (662, 77238), (993, 51492), (1226, 41706), (1324, 38619), (1839, 27804), (1986, 25746), (2317, 22068), (2452, 20853), (2979, 17164), (3678, 13902), (3972, 12873), (4291, 11916), (4634, 11034), (5517, 9268), (5958, 8582), (6951, 7356)]