81608890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{10163}}^1$

素因数の和:10254

約数の個数: 32

約数和(自身を含む): 162461376

約数和(自身を除く): 80852486

約数列:

[1, 2, 5, 10, 11, 22, 55, 73, 110, 146, 365, 730, 803, 1606, 4015, 8030, 10163, 20326, 50815, 101630, 111793, 223586, 558965, 741899, 1117930, 1483798, 3709495, 7418990, 8160889, 16321778, 40804445, 81608890]

約数ペア:

[(1, 81608890), (2, 40804445), (5, 16321778), (10, 8160889), (11, 7418990), (22, 3709495), (55, 1483798), (73, 1117930), (110, 741899), (146, 558965), (365, 223586), (730, 111793), (803, 101630), (1606, 50815), (4015, 20326), (8030, 10163)]