129380144

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{41047}}^1$

素因数の和:41252

約数の個数: 20

約数和(自身を含む): 251952624

約数和(自身を除く): 122572480

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 41047, 82094, 164188, 328376, 656752, 8086259, 16172518, 32345036, 64690072, 129380144]

約数ペア:

[(1, 129380144), (2, 64690072), (4, 32345036), (8, 16172518), (16, 8086259), (197, 656752), (394, 328376), (788, 164188), (1576, 82094), (3152, 41047)]