66709816

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{225371}}^1$

素因数の和:225414

約数の個数: 16

約数和(自身を含む): 128462040

約数和(自身を除く): 61752224

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 225371, 450742, 901484, 1802968, 8338727, 16677454, 33354908, 66709816]

約数ペア:

[(1, 66709816), (2, 33354908), (4, 16677454), (8, 8338727), (37, 1802968), (74, 901484), (148, 450742), (296, 225371)]