28398314

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{751}}^1$

素因数の和:870

約数の個数: 32

約数和(自身を含む): 50750976

約数和(自身を除く): 22352662

約数列:

[1, 2, 7, 14, 37, 73, 74, 146, 259, 511, 518, 751, 1022, 1502, 2701, 5257, 5402, 10514, 18907, 27787, 37814, 54823, 55574, 109646, 194509, 383761, 389018, 767522, 2028451, 4056902, 14199157, 28398314]

約数ペア:

[(1, 28398314), (2, 14199157), (7, 4056902), (14, 2028451), (37, 767522), (73, 389018), (74, 383761), (146, 194509), (259, 109646), (511, 55574), (518, 54823), (751, 37814), (1022, 27787), (1502, 18907), (2701, 10514), (5257, 5402)]