420055568

素因数分解:

$2^4\times {\mathrm{199}}^1\times {\mathrm{131927}}^1$

素因数の和:132134

約数の個数: 20

約数和(自身を含む): 817953600

約数和(自身を除く): 397898032

約数列:

[1, 2, 4, 8, 16, 199, 398, 796, 1592, 3184, 131927, 263854, 527708, 1055416, 2110832, 26253473, 52506946, 105013892, 210027784, 420055568]

約数ペア:

[(1, 420055568), (2, 210027784), (4, 105013892), (8, 52506946), (16, 26253473), (199, 2110832), (398, 1055416), (796, 527708), (1592, 263854), (3184, 131927)]