636442989

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{479}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 1087242240

約数和(自身を除く): 450799251

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 157, 217, 273, 403, 471, 479, 651, 1099, 1209, 1437, 2041, 2821, 3297, 3353, 4867, 6123, 6227, 8463, 10059, 14287, 14601, 14849, 18681, 34069, 42861, 43589, 44547, 63271, 75203, 102207, 103943, 130767, 189813, 193037, 225609, 311829, 442897, 526421, 579111, 977639, 1328691, 1351259, 1579263, 2331293, 2932917, 4053777, 6843473, 6993879, 16319051, 20530419, 30306809, 48957153, 90920427, 212147663, 636442989]

約数ペア:

[(1, 636442989), (3, 212147663), (7, 90920427), (13, 48957153), (21, 30306809), (31, 20530419), (39, 16319051), (91, 6993879), (93, 6843473), (157, 4053777), (217, 2932917), (273, 2331293), (403, 1579263), (471, 1351259), (479, 1328691), (651, 977639), (1099, 579111), (1209, 526421), (1437, 442897), (2041, 311829), (2821, 225609), (3297, 193037), (3353, 189813), (4867, 130767), (6123, 103943), (6227, 102207), (8463, 75203), (10059, 63271), (14287, 44547), (14601, 43589), (14849, 42861), (18681, 34069)]