211399381990

素因数分解:

$2^1\times 5^1\times {\mathrm{739}}^1\times {\mathrm{28606141}}^1$

素因数の和:28606887

約数の個数: 16

約数和(自身を含む): 381033811440

約数和(自身を除く): 169634429450

約数列:

[1, 2, 5, 10, 739, 1478, 3695, 7390, 28606141, 57212282, 143030705, 286061410, 21139938199, 42279876398, 105699690995, 211399381990]

約数ペア:

[(1, 211399381990), (2, 105699690995), (5, 42279876398), (10, 21139938199), (739, 286061410), (1478, 143030705), (3695, 57212282), (7390, 28606141)]