489615788

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{43237}}^1$

素因数の和:43409

約数の個数: 24

約数和(自身を含む): 907998000

約数和(自身を除く): 418382212

約数列:

[1, 2, 4, 19, 38, 76, 149, 298, 596, 2831, 5662, 11324, 43237, 86474, 172948, 821503, 1643006, 3286012, 6442313, 12884626, 25769252, 122403947, 244807894, 489615788]

約数ペア:

[(1, 489615788), (2, 244807894), (4, 122403947), (19, 25769252), (38, 12884626), (76, 6442313), (149, 3286012), (298, 1643006), (596, 821503), (2831, 172948), (5662, 86474), (11324, 43237)]