1284984

素因数分解:

$2^3\times 3^5\times {\mathrm{661}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 3614520

約数和(自身を除く): 2329536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 661, 972, 1322, 1944, 1983, 2644, 3966, 5288, 5949, 7932, 11898, 15864, 17847, 23796, 35694, 47592, 53541, 71388, 107082, 142776, 160623, 214164, 321246, 428328, 642492, 1284984]

約数ペア:

[(1, 1284984), (2, 642492), (3, 428328), (4, 321246), (6, 214164), (8, 160623), (9, 142776), (12, 107082), (18, 71388), (24, 53541), (27, 47592), (36, 35694), (54, 23796), (72, 17847), (81, 15864), (108, 11898), (162, 7932), (216, 5949), (243, 5288), (324, 3966), (486, 2644), (648, 1983), (661, 1944), (972, 1322)]