31531474

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{449}}^1$

素因数の和:574

約数の個数: 32

約数和(自身を含む): 53146800

約数和(自身を除く): 21615326

約数列:

[1, 2, 13, 26, 37, 73, 74, 146, 449, 481, 898, 949, 962, 1898, 2701, 5402, 5837, 11674, 16613, 32777, 33226, 35113, 65554, 70226, 215969, 426101, 431938, 852202, 1212749, 2425498, 15765737, 31531474]

約数ペア:

[(1, 31531474), (2, 15765737), (13, 2425498), (26, 1212749), (37, 852202), (73, 431938), (74, 426101), (146, 215969), (449, 70226), (481, 65554), (898, 35113), (949, 33226), (962, 32777), (1898, 16613), (2701, 11674), (5402, 5837)]