208179994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:423

約数の個数: 48

約数和(自身を含む): 366042240

約数和(自身を除く): 157862246

約数列:

[1, 2, 11, 17, 22, 34, 137, 187, 239, 274, 289, 374, 478, 578, 1507, 2329, 2629, 3014, 3179, 4063, 4658, 5258, 6358, 8126, 25619, 32743, 39593, 44693, 51238, 65486, 69071, 79186, 89386, 138142, 360173, 435523, 556631, 720346, 759781, 871046, 1113262, 1519562, 6122941, 9462727, 12245882, 18925454, 104089997, 208179994]

約数ペア:

[(1, 208179994), (2, 104089997), (11, 18925454), (17, 12245882), (22, 9462727), (34, 6122941), (137, 1519562), (187, 1113262), (239, 871046), (274, 759781), (289, 720346), (374, 556631), (478, 435523), (578, 360173), (1507, 138142), (2329, 89386), (2629, 79186), (3014, 69071), (3179, 65486), (4063, 51238), (4658, 44693), (5258, 39593), (6358, 32743), (8126, 25619)]