261199344

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10949}}^1$

素因数の和:11038

約数の個数: 80

約数和(自身を含む): 782092800

約数和(自身を除く): 520893456

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 71, 84, 112, 142, 168, 213, 284, 336, 426, 497, 568, 852, 994, 1136, 1491, 1704, 1988, 2982, 3408, 3976, 5964, 7952, 10949, 11928, 21898, 23856, 32847, 43796, 65694, 76643, 87592, 131388, 153286, 175184, 229929, 262776, 306572, 459858, 525552, 613144, 777379, 919716, 1226288, 1554758, 1839432, 2332137, 3109516, 3678864, 4664274, 5441653, 6219032, 9328548, 10883306, 12438064, 16324959, 18657096, 21766612, 32649918, 37314192, 43533224, 65299836, 87066448, 130599672, 261199344]

約数ペア:

[(1, 261199344), (2, 130599672), (3, 87066448), (4, 65299836), (6, 43533224), (7, 37314192), (8, 32649918), (12, 21766612), (14, 18657096), (16, 16324959), (21, 12438064), (24, 10883306), (28, 9328548), (42, 6219032), (48, 5441653), (56, 4664274), (71, 3678864), (84, 3109516), (112, 2332137), (142, 1839432), (168, 1554758), (213, 1226288), (284, 919716), (336, 777379), (426, 613144), (497, 525552), (568, 459858), (852, 306572), (994, 262776), (1136, 229929), (1491, 175184), (1704, 153286), (1988, 131388), (2982, 87592), (3408, 76643), (3976, 65694), (5964, 43796), (7952, 32847), (10949, 23856), (11928, 21898)]