7787990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1567}}^1$

素因数の和:1652

約数の個数: 32

約数和(自身を含む): 16257024

約数和(自身を除く): 8469034

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 1567, 2485, 3134, 4970, 7835, 10969, 15670, 21938, 54845, 109690, 111257, 222514, 556285, 778799, 1112570, 1557598, 3893995, 7787990]

約数ペア:

[(1, 7787990), (2, 3893995), (5, 1557598), (7, 1112570), (10, 778799), (14, 556285), (35, 222514), (70, 111257), (71, 109690), (142, 54845), (355, 21938), (497, 15670), (710, 10969), (994, 7835), (1567, 4970), (2485, 3134)]