201985924

素因数分解:

$2^2\times 7^1\times {\mathrm{347}}^1\times {\mathrm{20789}}^1$

素因数の和:21147

約数の個数: 24

約数和(自身を含む): 405155520

約数和(自身を除く): 203169596

約数列:

[1, 2, 4, 7, 14, 28, 347, 694, 1388, 2429, 4858, 9716, 20789, 41578, 83156, 145523, 291046, 582092, 7213783, 14427566, 28855132, 50496481, 100992962, 201985924]

約数ペア:

[(1, 201985924), (2, 100992962), (4, 50496481), (7, 28855132), (14, 14427566), (28, 7213783), (347, 582092), (694, 291046), (1388, 145523), (2429, 83156), (4858, 41578), (9716, 20789)]