66754990

素因数分解:

$2^1\times 5^1\times {\mathrm{1693}}^1\times {\mathrm{3943}}^1$

素因数の和:5643

約数の個数: 16

約数和(自身を含む): 120260448

約数和(自身を除く): 53505458

約数列:

[1, 2, 5, 10, 1693, 3386, 3943, 7886, 8465, 16930, 19715, 39430, 6675499, 13350998, 33377495, 66754990]

約数ペア:

[(1, 66754990), (2, 33377495), (5, 13350998), (10, 6675499), (1693, 39430), (3386, 19715), (3943, 16930), (7886, 8465)]