388645976

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{12479}}^1$

素因数の和:12731

約数の個数: 32

約数和(自身を含む): 775008000

約数和(自身を除く): 386362024

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 229, 458, 916, 1832, 3893, 7786, 12479, 15572, 24958, 31144, 49916, 99832, 212143, 424286, 848572, 1697144, 2857691, 5715382, 11430764, 22861528, 48580747, 97161494, 194322988, 388645976]

約数ペア:

[(1, 388645976), (2, 194322988), (4, 97161494), (8, 48580747), (17, 22861528), (34, 11430764), (68, 5715382), (136, 2857691), (229, 1697144), (458, 848572), (916, 424286), (1832, 212143), (3893, 99832), (7786, 49916), (12479, 31144), (15572, 24958)]