90890470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{907}}^1\times {\mathrm{911}}^1$

素因数の和:1836

約数の個数: 32

約数和(自身を含む): 178868736

約数和(自身を除く): 87978266

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 907, 911, 1814, 1822, 4535, 4555, 9070, 9110, 9977, 10021, 19954, 20042, 49885, 50105, 99770, 100210, 826277, 1652554, 4131385, 8262770, 9089047, 18178094, 45445235, 90890470]

約数ペア:

[(1, 90890470), (2, 45445235), (5, 18178094), (10, 9089047), (11, 8262770), (22, 4131385), (55, 1652554), (110, 826277), (907, 100210), (911, 99770), (1814, 50105), (1822, 49885), (4535, 20042), (4555, 19954), (9070, 10021), (9110, 9977)]