66420406

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{19501}}^1$

素因数の和:19647

約数の個数: 16

約数和(自身を含む): 108119088

約数和(自身を除く): 41698682

約数列:

[1, 2, 13, 26, 131, 262, 1703, 3406, 19501, 39002, 253513, 507026, 2554631, 5109262, 33210203, 66420406]

約数ペア:

[(1, 66420406), (2, 33210203), (13, 5109262), (26, 2554631), (131, 507026), (262, 253513), (1703, 39002), (3406, 19501)]