2019908965

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 2502365184

約数和(自身を除く): 482456219

約数列:

[1, 5, 67, 127, 197, 241, 335, 635, 985, 1205, 8509, 13199, 16147, 25019, 30607, 42545, 47477, 65995, 80735, 125095, 153035, 237385, 1676273, 2050669, 3180959, 6029579, 8381365, 10253345, 15904795, 30147895, 403981793, 2019908965]

約数ペア:

[(1, 2019908965), (5, 403981793), (67, 30147895), (127, 15904795), (197, 10253345), (241, 8381365), (335, 6029579), (635, 3180959), (985, 2050669), (1205, 1676273), (8509, 237385), (13199, 153035), (16147, 125095), (25019, 80735), (30607, 65995), (42545, 47477)]