51664144

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 118920960

約数和(自身を除く): 67256816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 73, 89, 112, 142, 146, 178, 284, 292, 356, 497, 511, 568, 584, 623, 712, 994, 1022, 1136, 1168, 1246, 1424, 1988, 2044, 2492, 3976, 4088, 4984, 5183, 6319, 6497, 7952, 8176, 9968, 10366, 12638, 12994, 20732, 25276, 25988, 36281, 41464, 44233, 45479, 50552, 51976, 72562, 82928, 88466, 90958, 101104, 103952, 145124, 176932, 181916, 290248, 353864, 363832, 461287, 580496, 707728, 727664, 922574, 1845148, 3229009, 3690296, 6458018, 7380592, 12916036, 25832072, 51664144]

約数ペア:

[(1, 51664144), (2, 25832072), (4, 12916036), (7, 7380592), (8, 6458018), (14, 3690296), (16, 3229009), (28, 1845148), (56, 922574), (71, 727664), (73, 707728), (89, 580496), (112, 461287), (142, 363832), (146, 353864), (178, 290248), (284, 181916), (292, 176932), (356, 145124), (497, 103952), (511, 101104), (568, 90958), (584, 88466), (623, 82928), (712, 72562), (994, 51976), (1022, 50552), (1136, 45479), (1168, 44233), (1246, 41464), (1424, 36281), (1988, 25988), (2044, 25276), (2492, 20732), (3976, 12994), (4088, 12638), (4984, 10366), (5183, 9968), (6319, 8176), (6497, 7952)]