520067639

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4931}}^1$

素因数の和:5031

約数の個数: 32

約数和(自身を含む): 684956160

約数和(自身を除く): 164888521

約数列:

[1, 7, 13, 19, 61, 91, 133, 247, 427, 793, 1159, 1729, 4931, 5551, 8113, 15067, 34517, 64103, 93689, 105469, 300791, 448721, 655823, 1217957, 2105537, 3910283, 5715029, 8525699, 27371981, 40005203, 74295377, 520067639]

約数ペア:

[(1, 520067639), (7, 74295377), (13, 40005203), (19, 27371981), (61, 8525699), (91, 5715029), (133, 3910283), (247, 2105537), (427, 1217957), (793, 655823), (1159, 448721), (1729, 300791), (4931, 105469), (5551, 93689), (8113, 64103), (15067, 34517)]