158927615

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{811}}^1$

素因数の和:1343

約数の個数: 32

約数和(自身を含む): 238533120

約数和(自身を除く): 79605505

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 509, 811, 2545, 3563, 4055, 5599, 5677, 8921, 17815, 27995, 28385, 39193, 44605, 62447, 195965, 312235, 412799, 2063995, 2889593, 4540789, 14447965, 22703945, 31785523, 158927615]

約数ペア:

[(1, 158927615), (5, 31785523), (7, 22703945), (11, 14447965), (35, 4540789), (55, 2889593), (77, 2063995), (385, 412799), (509, 312235), (811, 195965), (2545, 62447), (3563, 44605), (4055, 39193), (5599, 28385), (5677, 27995), (8921, 17815)]