51308999

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 63651840

約数和(自身を除く): 12342841

約数列:

[1, 7, 31, 41, 73, 79, 217, 287, 511, 553, 1271, 2263, 2449, 2993, 3239, 5767, 8897, 15841, 17143, 20951, 22673, 40369, 92783, 100409, 178777, 236447, 649481, 702863, 1251439, 1655129, 7329857, 51308999]

約数ペア:

[(1, 51308999), (7, 7329857), (31, 1655129), (41, 1251439), (73, 702863), (79, 649481), (217, 236447), (287, 178777), (511, 100409), (553, 92783), (1271, 40369), (2263, 22673), (2449, 20951), (2993, 17143), (3239, 15841), (5767, 8897)]