1215706690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{28411}}^1$

素因数の和:28818

約数の個数: 32

約数和(自身を含む): 2393426880

約数和(自身を除く): 1177720190

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 389, 778, 1945, 3890, 4279, 8558, 21395, 28411, 42790, 56822, 142055, 284110, 312521, 625042, 1562605, 3125210, 11051879, 22103758, 55259395, 110518790, 121570669, 243141338, 607853345, 1215706690]

約数ペア:

[(1, 1215706690), (2, 607853345), (5, 243141338), (10, 121570669), (11, 110518790), (22, 55259395), (55, 22103758), (110, 11051879), (389, 3125210), (778, 1562605), (1945, 625042), (3890, 312521), (4279, 284110), (8558, 142055), (21395, 56822), (28411, 42790)]