646681036

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1\times {\mathrm{283}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 1210930560

約数和(自身を除く): 564249524

約数列:

[1, 2, 4, 19, 38, 76, 107, 214, 281, 283, 428, 562, 566, 1124, 1132, 2033, 4066, 5339, 5377, 8132, 10678, 10754, 21356, 21508, 30067, 30281, 60134, 60562, 79523, 120268, 121124, 159046, 318092, 571273, 575339, 1142546, 1150678, 1510937, 2285092, 2301356, 3021874, 6043748, 8508961, 17017922, 34035844, 161670259, 323340518, 646681036]

約数ペア:

[(1, 646681036), (2, 323340518), (4, 161670259), (19, 34035844), (38, 17017922), (76, 8508961), (107, 6043748), (214, 3021874), (281, 2301356), (283, 2285092), (428, 1510937), (562, 1150678), (566, 1142546), (1124, 575339), (1132, 571273), (2033, 318092), (4066, 159046), (5339, 121124), (5377, 120268), (8132, 79523), (10678, 60562), (10754, 60134), (21356, 30281), (21508, 30067)]