1278278512

素因数分解:

$2^4\times 7^1\times {\mathrm{211}}^1\times {\mathrm{54091}}^1$

素因数の和:54317

約数の個数: 40

約数和(自身を含む): 2843940992

約数和(自身を除く): 1565662480

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 211, 422, 844, 1477, 1688, 2954, 3376, 5908, 11816, 23632, 54091, 108182, 216364, 378637, 432728, 757274, 865456, 1514548, 3029096, 6058192, 11413201, 22826402, 45652804, 79892407, 91305608, 159784814, 182611216, 319569628, 639139256, 1278278512]

約数ペア:

[(1, 1278278512), (2, 639139256), (4, 319569628), (7, 182611216), (8, 159784814), (14, 91305608), (16, 79892407), (28, 45652804), (56, 22826402), (112, 11413201), (211, 6058192), (422, 3029096), (844, 1514548), (1477, 865456), (1688, 757274), (2954, 432728), (3376, 378637), (5908, 216364), (11816, 108182), (23632, 54091)]