198745810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{4549}}^1$

素因数の和:4830

約数の個数: 32

約数和(自身を含む): 380343600

約数和(自身を除く): 181597790

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 257, 514, 1285, 2570, 4369, 4549, 8738, 9098, 21845, 22745, 43690, 45490, 77333, 154666, 386665, 773330, 1169093, 2338186, 5845465, 11690930, 19874581, 39749162, 99372905, 198745810]

約数ペア:

[(1, 198745810), (2, 99372905), (5, 39749162), (10, 19874581), (17, 11690930), (34, 5845465), (85, 2338186), (170, 1169093), (257, 773330), (514, 386665), (1285, 154666), (2570, 77333), (4369, 45490), (4549, 43690), (8738, 22745), (9098, 21845)]