198892798

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{881}}^1$

素因数の和:1372

約数の個数: 32

約数和(自身を含む): 339323040

約数和(自身を除く): 140430242

約数列:

[1, 2, 13, 19, 26, 38, 247, 457, 494, 881, 914, 1762, 5941, 8683, 11453, 11882, 16739, 17366, 22906, 33478, 112879, 217607, 225758, 402617, 435214, 805234, 5234021, 7649723, 10468042, 15299446, 99446399, 198892798]

約数ペア:

[(1, 198892798), (2, 99446399), (13, 15299446), (19, 10468042), (26, 7649723), (38, 5234021), (247, 805234), (457, 435214), (494, 402617), (881, 225758), (914, 217607), (1762, 112879), (5941, 33478), (8683, 22906), (11453, 17366), (11882, 16739)]