201457904

素因数分解:

$2^4\times {\mathrm{617}}^1\times {\mathrm{20407}}^1$

素因数の和:21032

約数の個数: 20

約数和(自身を含む): 390976464

約数和(自身を除く): 189518560

約数列:

[1, 2, 4, 8, 16, 617, 1234, 2468, 4936, 9872, 20407, 40814, 81628, 163256, 326512, 12591119, 25182238, 50364476, 100728952, 201457904]

約数ペア:

[(1, 201457904), (2, 100728952), (4, 50364476), (8, 25182238), (16, 12591119), (617, 326512), (1234, 163256), (2468, 81628), (4936, 40814), (9872, 20407)]