520019978

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1\times {\mathrm{571}}^1$

素因数の和:1038

約数の個数: 32

約数和(自身を含む): 830489088

約数和(自身を除く): 310469110

約数列:

[1, 2, 31, 37, 62, 74, 397, 571, 794, 1142, 1147, 2294, 12307, 14689, 17701, 21127, 24614, 29378, 35402, 42254, 226687, 453374, 455359, 654937, 910718, 1309874, 7027297, 8387419, 14054594, 16774838, 260009989, 520019978]

約数ペア:

[(1, 520019978), (2, 260009989), (31, 16774838), (37, 14054594), (62, 8387419), (74, 7027297), (397, 1309874), (571, 910718), (794, 654937), (1142, 455359), (1147, 453374), (2294, 226687), (12307, 42254), (14689, 35402), (17701, 29378), (21127, 24614)]