2140208

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:309

約数の個数: 40

約数和(自身を含む): 4812192

約数和(自身を除く): 2671984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 97, 112, 194, 197, 388, 394, 679, 776, 788, 1358, 1379, 1552, 1576, 2716, 2758, 3152, 5432, 5516, 10864, 11032, 19109, 22064, 38218, 76436, 133763, 152872, 267526, 305744, 535052, 1070104, 2140208]

約数ペア:

[(1, 2140208), (2, 1070104), (4, 535052), (7, 305744), (8, 267526), (14, 152872), (16, 133763), (28, 76436), (56, 38218), (97, 22064), (112, 19109), (194, 11032), (197, 10864), (388, 5516), (394, 5432), (679, 3152), (776, 2758), (788, 2716), (1358, 1576), (1379, 1552)]