201625616

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{90659}}^1$

素因数の和:90806

約数の個数: 20

約数和(自身を含む): 393464400

約数和(自身を除く): 191838784

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 90659, 181318, 362636, 725272, 1450544, 12601601, 25203202, 50406404, 100812808, 201625616]

約数ペア:

[(1, 201625616), (2, 100812808), (4, 50406404), (8, 25203202), (16, 12601601), (139, 1450544), (278, 725272), (556, 362636), (1112, 181318), (2224, 90659)]