201397904

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{307009}}^1$

素因数の和:307058

約数の個数: 20

約数和(自身を含む): 399727020

約数和(自身を除く): 198329116

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 307009, 614018, 1228036, 2456072, 4912144, 12587369, 25174738, 50349476, 100698952, 201397904]

約数ペア:

[(1, 201397904), (2, 100698952), (4, 50349476), (8, 25174738), (16, 12587369), (41, 4912144), (82, 2456072), (164, 1228036), (328, 614018), (656, 307009)]