278301296

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191141}}^1$

素因数の和:191169

約数の個数: 40

約数和(自身を含む): 663645024

約数和(自身を除く): 385343728

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 191141, 382282, 764564, 1337987, 1529128, 2484833, 2675974, 3058256, 4969666, 5351948, 9939332, 10703896, 17393831, 19878664, 21407792, 34787662, 39757328, 69575324, 139150648, 278301296]

約数ペア:

[(1, 278301296), (2, 139150648), (4, 69575324), (7, 39757328), (8, 34787662), (13, 21407792), (14, 19878664), (16, 17393831), (26, 10703896), (28, 9939332), (52, 5351948), (56, 4969666), (91, 3058256), (104, 2675974), (112, 2484833), (182, 1529128), (208, 1337987), (364, 764564), (728, 382282), (1456, 191141)]