256148906

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{11311}}^1$

素因数の和:11406

約数の個数: 24

約数和(自身を含む): 422299584

約数和(自身を除く): 166150678

約数列:

[1, 2, 13, 26, 67, 134, 169, 338, 871, 1742, 11311, 11323, 22622, 22646, 147043, 294086, 757837, 1515674, 1911559, 3823118, 9851881, 19703762, 128074453, 256148906]

約数ペア:

[(1, 256148906), (2, 128074453), (13, 19703762), (26, 9851881), (67, 3823118), (134, 1911559), (169, 1515674), (338, 757837), (871, 294086), (1742, 147043), (11311, 22646), (11323, 22622)]