257331648

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{191467}}^1$

素因数の和:191489

約数の個数: 56

約数和(自身を含む): 778125952

約数和(自身を除く): 520794304

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 168, 192, 224, 336, 448, 672, 1344, 191467, 382934, 574401, 765868, 1148802, 1340269, 1531736, 2297604, 2680538, 3063472, 4020807, 4595208, 5361076, 6126944, 8041614, 9190416, 10722152, 12253888, 16083228, 18380832, 21444304, 32166456, 36761664, 42888608, 64332912, 85777216, 128665824, 257331648]

約数ペア:

[(1, 257331648), (2, 128665824), (3, 85777216), (4, 64332912), (6, 42888608), (7, 36761664), (8, 32166456), (12, 21444304), (14, 18380832), (16, 16083228), (21, 12253888), (24, 10722152), (28, 9190416), (32, 8041614), (42, 6126944), (48, 5361076), (56, 4595208), (64, 4020807), (84, 3063472), (96, 2680538), (112, 2297604), (168, 1531736), (192, 1340269), (224, 1148802), (336, 765868), (448, 574401), (672, 382934), (1344, 191467)]