168108784

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{19937}}^1$

素因数の和:19993

約数の個数: 40

約数和(自身を含む): 356012928

約数和(自身を除く): 187904144

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 1054, 2108, 4216, 8432, 19937, 39874, 79748, 159496, 318992, 338929, 618047, 677858, 1236094, 1355716, 2472188, 2711432, 4944376, 5422864, 9888752, 10506799, 21013598, 42027196, 84054392, 168108784]

約数ペア:

[(1, 168108784), (2, 84054392), (4, 42027196), (8, 21013598), (16, 10506799), (17, 9888752), (31, 5422864), (34, 4944376), (62, 2711432), (68, 2472188), (124, 1355716), (136, 1236094), (248, 677858), (272, 618047), (496, 338929), (527, 318992), (1054, 159496), (2108, 79748), (4216, 39874), (8432, 19937)]