1640641688

素因数分解:

$2^3\times 7^1\times {\mathrm{29297173}}^1$

素因数の和:29297186

約数の個数: 16

約数和(自身を含む): 3515660880

約数和(自身を除く): 1875019192

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 29297173, 58594346, 117188692, 205080211, 234377384, 410160422, 820320844, 1640641688]

約数ペア:

[(1, 1640641688), (2, 820320844), (4, 410160422), (7, 234377384), (8, 205080211), (14, 117188692), (28, 58594346), (56, 29297173)]