389905244

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{2377471}}^1$

素因数の和:2377516

約数の個数: 12

約数和(自身を含む): 698976768

約数和(自身を除く): 309071524

約数列:

[1, 2, 4, 41, 82, 164, 2377471, 4754942, 9509884, 97476311, 194952622, 389905244]

約数ペア:

[(1, 389905244), (2, 194952622), (4, 97476311), (41, 9509884), (82, 4754942), (164, 2377471)]