51581516

素因数分解:

$2^2\times 7^2\times {\mathrm{263171}}^1$

素因数の和:263189

約数の個数: 18

約数和(自身を含む): 105005628

約数和(自身を除く): 53424112

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 263171, 526342, 1052684, 1842197, 3684394, 7368788, 12895379, 25790758, 51581516]

約数ペア:

[(1, 51581516), (2, 25790758), (4, 12895379), (7, 7368788), (14, 3684394), (28, 1842197), (49, 1052684), (98, 526342), (196, 263171)]