213861570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{548363}}^1$

素因数の和:548386

約数の個数: 32

約数和(自身を含む): 552750912

約数和(自身を除く): 338889342

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 548363, 1096726, 1645089, 2741815, 3290178, 5483630, 7128719, 8225445, 14257438, 16450890, 21386157, 35643595, 42772314, 71287190, 106930785, 213861570]

約数ペア:

[(1, 213861570), (2, 106930785), (3, 71287190), (5, 42772314), (6, 35643595), (10, 21386157), (13, 16450890), (15, 14257438), (26, 8225445), (30, 7128719), (39, 5483630), (65, 3290178), (78, 2741815), (130, 1645089), (195, 1096726), (390, 548363)]