16563378

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1621}}^1$

素因数の和:1770

約数の個数: 32

約数和(自身を含む): 35969472

約数和(自身を除く): 19406094

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 131, 262, 393, 786, 1621, 1703, 3242, 3406, 4863, 5109, 9726, 10218, 21073, 42146, 63219, 126438, 212351, 424702, 637053, 1274106, 2760563, 5521126, 8281689, 16563378]

約数ペア:

[(1, 16563378), (2, 8281689), (3, 5521126), (6, 2760563), (13, 1274106), (26, 637053), (39, 424702), (78, 212351), (131, 126438), (262, 63219), (393, 42146), (786, 21073), (1621, 10218), (1703, 9726), (3242, 5109), (3406, 4863)]