2180914945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1\times {\mathrm{2543}}^1$

素因数の和:3093

約数の個数: 32

約数和(自身を含む): 2954133504

約数和(自身を除く): 773218559

約数列:

[1, 5, 11, 31, 55, 155, 341, 503, 1705, 2515, 2543, 5533, 12715, 15593, 27665, 27973, 77965, 78833, 139865, 171523, 394165, 857615, 867163, 1279129, 4335815, 6395645, 14070419, 39652999, 70352095, 198264995, 436182989, 2180914945]

約数ペア:

[(1, 2180914945), (5, 436182989), (11, 198264995), (31, 70352095), (55, 39652999), (155, 14070419), (341, 6395645), (503, 4335815), (1705, 1279129), (2515, 867163), (2543, 857615), (5533, 394165), (12715, 171523), (15593, 139865), (27665, 78833), (27973, 77965)]