198931705

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 294955776

約数和(自身を除く): 96024071

約数列:

[1, 5, 7, 17, 35, 71, 85, 119, 277, 289, 355, 497, 595, 1207, 1385, 1445, 1939, 2023, 2485, 4709, 6035, 8449, 9695, 10115, 19667, 20519, 23545, 32963, 42245, 80053, 98335, 102595, 137669, 143633, 164815, 334339, 400265, 560371, 688345, 718165, 1671695, 2340373, 2801855, 5683763, 11701865, 28418815, 39786341, 198931705]

約数ペア:

[(1, 198931705), (5, 39786341), (7, 28418815), (17, 11701865), (35, 5683763), (71, 2801855), (85, 2340373), (119, 1671695), (277, 718165), (289, 688345), (355, 560371), (497, 400265), (595, 334339), (1207, 164815), (1385, 143633), (1445, 137669), (1939, 102595), (2023, 98335), (2485, 80053), (4709, 42245), (6035, 32963), (8449, 23545), (9695, 20519), (10115, 19667)]