161781948

素因数分解:

$2^2\times 3^4\times {\mathrm{499327}}^1$

素因数の和:499343

約数の個数: 30

約数和(自身を含む): 422930816

約数和(自身を除く): 261148868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 499327, 998654, 1497981, 1997308, 2995962, 4493943, 5991924, 8987886, 13481829, 17975772, 26963658, 40445487, 53927316, 80890974, 161781948]

約数ペア:

[(1, 161781948), (2, 80890974), (3, 53927316), (4, 40445487), (6, 26963658), (9, 17975772), (12, 13481829), (18, 8987886), (27, 5991924), (36, 4493943), (54, 2995962), (81, 1997308), (108, 1497981), (162, 998654), (324, 499327)]