1279789914

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{244889}}^1$

素因数の和:244974

約数の個数: 32

約数和(自身を含む): 2797623360

約数和(自身を除く): 1517833446

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 134, 201, 402, 871, 1742, 2613, 5226, 244889, 489778, 734667, 1469334, 3183557, 6367114, 9550671, 16407563, 19101342, 32815126, 49222689, 98445378, 213298319, 426596638, 639894957, 1279789914]

約数ペア:

[(1, 1279789914), (2, 639894957), (3, 426596638), (6, 213298319), (13, 98445378), (26, 49222689), (39, 32815126), (67, 19101342), (78, 16407563), (134, 9550671), (201, 6367114), (402, 3183557), (871, 1469334), (1742, 734667), (2613, 489778), (5226, 244889)]