28125994

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 47209680

約数和(自身を除く): 19083686

約数列:

[1, 2, 13, 26, 37, 74, 169, 173, 338, 346, 481, 962, 2197, 2249, 4394, 4498, 6253, 6401, 12506, 12802, 29237, 58474, 81289, 83213, 162578, 166426, 380081, 760162, 1081769, 2163538, 14062997, 28125994]

約数ペア:

[(1, 28125994), (2, 14062997), (13, 2163538), (26, 1081769), (37, 760162), (74, 380081), (169, 166426), (173, 162578), (338, 83213), (346, 81289), (481, 58474), (962, 29237), (2197, 12802), (2249, 12506), (4394, 6401), (4498, 6253)]