221455488

素因数分解:

$2^7\times 3^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:402

約数の個数: 128

約数和(自身を含む): 626688000

約数和(自身を除く): 405232512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 76, 96, 114, 127, 128, 152, 192, 228, 239, 254, 304, 381, 384, 456, 478, 508, 608, 717, 762, 912, 956, 1016, 1216, 1434, 1524, 1824, 1912, 2032, 2413, 2432, 2868, 3048, 3648, 3824, 4064, 4541, 4826, 5736, 6096, 7239, 7296, 7648, 8128, 9082, 9652, 11472, 12192, 13623, 14478, 15296, 16256, 18164, 19304, 22944, 24384, 27246, 28956, 30353, 30592, 36328, 38608, 45888, 48768, 54492, 57912, 60706, 72656, 77216, 91059, 91776, 108984, 115824, 121412, 145312, 154432, 182118, 217968, 231648, 242824, 290624, 308864, 364236, 435936, 463296, 485648, 576707, 581248, 728472, 871872, 926592, 971296, 1153414, 1456944, 1730121, 1743744, 1942592, 2306828, 2913888, 3460242, 3885184, 4613656, 5827776, 6920484, 9227312, 11655552, 13840968, 18454624, 27681936, 36909248, 55363872, 73818496, 110727744, 221455488]

約数ペア:

[(1, 221455488), (2, 110727744), (3, 73818496), (4, 55363872), (6, 36909248), (8, 27681936), (12, 18454624), (16, 13840968), (19, 11655552), (24, 9227312), (32, 6920484), (38, 5827776), (48, 4613656), (57, 3885184), (64, 3460242), (76, 2913888), (96, 2306828), (114, 1942592), (127, 1743744), (128, 1730121), (152, 1456944), (192, 1153414), (228, 971296), (239, 926592), (254, 871872), (304, 728472), (381, 581248), (384, 576707), (456, 485648), (478, 463296), (508, 435936), (608, 364236), (717, 308864), (762, 290624), (912, 242824), (956, 231648), (1016, 217968), (1216, 182118), (1434, 154432), (1524, 145312), (1824, 121412), (1912, 115824), (2032, 108984), (2413, 91776), (2432, 91059), (2868, 77216), (3048, 72656), (3648, 60706), (3824, 57912), (4064, 54492), (4541, 48768), (4826, 45888), (5736, 38608), (6096, 36328), (7239, 30592), (7296, 30353), (7648, 28956), (8128, 27246), (9082, 24384), (9652, 22944), (11472, 19304), (12192, 18164), (13623, 16256), (14478, 15296)]