12990448

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{293}}^1$

素因数の和:481

約数の個数: 40

約数和(自身を含む): 26904528

約数和(自身を除く): 13914080

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 163, 272, 293, 326, 586, 652, 1172, 1304, 2344, 2608, 2771, 4688, 4981, 5542, 9962, 11084, 19924, 22168, 39848, 44336, 47759, 79696, 95518, 191036, 382072, 764144, 811903, 1623806, 3247612, 6495224, 12990448]

約数ペア:

[(1, 12990448), (2, 6495224), (4, 3247612), (8, 1623806), (16, 811903), (17, 764144), (34, 382072), (68, 191036), (136, 95518), (163, 79696), (272, 47759), (293, 44336), (326, 39848), (586, 22168), (652, 19924), (1172, 11084), (1304, 9962), (2344, 5542), (2608, 4981), (2771, 4688)]