128519964

素因数分解:

$2^2\times 3^2\times {\mathrm{449}}^1\times {\mathrm{7951}}^1$

素因数の和:8410

約数の個数: 36

約数和(自身を含む): 325634400

約数和(自身を除く): 197114436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 449, 898, 1347, 1796, 2694, 4041, 5388, 7951, 8082, 15902, 16164, 23853, 31804, 47706, 71559, 95412, 143118, 286236, 3569999, 7139998, 10709997, 14279996, 21419994, 32129991, 42839988, 64259982, 128519964]

約数ペア:

[(1, 128519964), (2, 64259982), (3, 42839988), (4, 32129991), (6, 21419994), (9, 14279996), (12, 10709997), (18, 7139998), (36, 3569999), (449, 286236), (898, 143118), (1347, 95412), (1796, 71559), (2694, 47706), (4041, 31804), (5388, 23853), (7951, 16164), (8082, 15902)]