890449945

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{100559}}^1$

素因数の和:100605

約数の個数: 32

約数和(自身を含む): 1390141440

約数和(自身を除く): 499691495

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1771, 8855, 100559, 502795, 703913, 1106149, 2312857, 3519565, 5530745, 7743043, 11564285, 16189999, 25441427, 38715215, 80949995, 127207135, 178089989, 890449945]

約数ペア:

[(1, 890449945), (5, 178089989), (7, 127207135), (11, 80949995), (23, 38715215), (35, 25441427), (55, 16189999), (77, 11564285), (115, 7743043), (161, 5530745), (253, 3519565), (385, 2312857), (805, 1106149), (1265, 703913), (1771, 502795), (8855, 100559)]