637131508

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{857}}^1$

素因数の和:949

約数の個数: 72

約数和(自身を含む): 1318268952

約数和(自身を除く): 681137444

約数列:

[1, 2, 4, 13, 17, 26, 29, 34, 52, 58, 68, 116, 221, 377, 442, 493, 754, 841, 857, 884, 986, 1508, 1682, 1714, 1972, 3364, 3428, 6409, 10933, 11141, 12818, 14297, 14569, 21866, 22282, 24853, 25636, 28594, 29138, 43732, 44564, 49706, 57188, 58276, 99412, 185861, 189397, 323089, 371722, 378794, 422501, 646178, 720737, 743444, 757588, 845002, 1292356, 1441474, 1690004, 2882948, 5492513, 9369581, 10985026, 12252529, 18739162, 21970052, 24505058, 37478324, 49010116, 159282877, 318565754, 637131508]

約数ペア:

[(1, 637131508), (2, 318565754), (4, 159282877), (13, 49010116), (17, 37478324), (26, 24505058), (29, 21970052), (34, 18739162), (52, 12252529), (58, 10985026), (68, 9369581), (116, 5492513), (221, 2882948), (377, 1690004), (442, 1441474), (493, 1292356), (754, 845002), (841, 757588), (857, 743444), (884, 720737), (986, 646178), (1508, 422501), (1682, 378794), (1714, 371722), (1972, 323089), (3364, 189397), (3428, 185861), (6409, 99412), (10933, 58276), (11141, 57188), (12818, 49706), (14297, 44564), (14569, 43732), (21866, 29138), (22282, 28594), (24853, 25636)]