128776816

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{49991}}^1$

素因数の和:50029

約数の個数: 40

約数和(自身を含む): 297552384

約数和(自身を除く): 168775568

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 49991, 99982, 199964, 349937, 399928, 699874, 799856, 1149793, 1399748, 2299586, 2799496, 4599172, 5598992, 8048551, 9198344, 16097102, 18396688, 32194204, 64388408, 128776816]

約数ペア:

[(1, 128776816), (2, 64388408), (4, 32194204), (7, 18396688), (8, 16097102), (14, 9198344), (16, 8048551), (23, 5598992), (28, 4599172), (46, 2799496), (56, 2299586), (92, 1399748), (112, 1149793), (161, 799856), (184, 699874), (322, 399928), (368, 349937), (644, 199964), (1288, 99982), (2576, 49991)]