428328

素因数分解:

$2^3\times 3^4\times {\mathrm{661}}^1$

素因数の和:679

約数の個数: 40

約数和(自身を含む): 1201530

約数和(自身を除く): 773202

約数列:

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

約数ペア:

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