15978888

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{7159}}^1$

素因数の和:7202

約数の個数: 48

約数和(自身を含む): 44678400

約数和(自身を除く): 28699512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 1116, 2232, 7159, 14318, 21477, 28636, 42954, 57272, 64431, 85908, 128862, 171816, 221929, 257724, 443858, 515448, 665787, 887716, 1331574, 1775432, 1997361, 2663148, 3994722, 5326296, 7989444, 15978888]

約数ペア:

[(1, 15978888), (2, 7989444), (3, 5326296), (4, 3994722), (6, 2663148), (8, 1997361), (9, 1775432), (12, 1331574), (18, 887716), (24, 665787), (31, 515448), (36, 443858), (62, 257724), (72, 221929), (93, 171816), (124, 128862), (186, 85908), (248, 64431), (279, 57272), (372, 42954), (558, 28636), (744, 21477), (1116, 14318), (2232, 7159)]