686142770

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1294609}}^1$

素因数の和:1294669

約数の個数: 16

約数和(自身を含む): 1258360920

約数和(自身を除く): 572218150

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 1294609, 2589218, 6473045, 12946090, 68614277, 137228554, 343071385, 686142770]

約数ペア:

[(1, 686142770), (2, 343071385), (5, 137228554), (10, 68614277), (53, 12946090), (106, 6473045), (265, 2589218), (530, 1294609)]