201778990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61331}}^1$

素因数の和:61392

約数の個数: 32

約数和(自身を含む): 423926784

約数和(自身を除く): 222147794

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 61331, 122662, 306655, 429317, 613310, 858634, 2146585, 2882557, 4293170, 5765114, 14412785, 20177899, 28825570, 40355798, 100889495, 201778990]

約数ペア:

[(1, 201778990), (2, 100889495), (5, 40355798), (7, 28825570), (10, 20177899), (14, 14412785), (35, 5765114), (47, 4293170), (70, 2882557), (94, 2146585), (235, 858634), (329, 613310), (470, 429317), (658, 306655), (1645, 122662), (3290, 61331)]