27976445

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 40677120

約数和(自身を除く): 12700675

約数列:

[1, 5, 7, 29, 35, 43, 145, 203, 215, 301, 641, 1015, 1247, 1505, 3205, 4487, 6235, 8729, 18589, 22435, 27563, 43645, 92945, 130123, 137815, 192941, 650615, 799327, 964705, 3996635, 5595289, 27976445]

約数ペア:

[(1, 27976445), (5, 5595289), (7, 3996635), (29, 964705), (35, 799327), (43, 650615), (145, 192941), (203, 137815), (215, 130123), (301, 92945), (641, 43645), (1015, 27563), (1247, 22435), (1505, 18589), (3205, 8729), (4487, 6235)]