28295306

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{439}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 47752320

約数和(自身を除く): 19457014

約数列:

[1, 2, 13, 26, 37, 67, 74, 134, 439, 481, 871, 878, 962, 1742, 2479, 4958, 5707, 11414, 16243, 29413, 32227, 32486, 58826, 64454, 211159, 382369, 422318, 764738, 1088281, 2176562, 14147653, 28295306]

約数ペア:

[(1, 28295306), (2, 14147653), (13, 2176562), (26, 1088281), (37, 764738), (67, 422318), (74, 382369), (134, 211159), (439, 64454), (481, 58826), (871, 32486), (878, 32227), (962, 29413), (1742, 16243), (2479, 11414), (4958, 5707)]