251279892

素因数分解:

$2^2\times 3^2\times {\mathrm{997}}^1\times {\mathrm{7001}}^1$

素因数の和:8008

約数の個数: 36

約数和(自身を含む): 635907636

約数和(自身を除く): 384627744

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 997, 1994, 2991, 3988, 5982, 7001, 8973, 11964, 14002, 17946, 21003, 28004, 35892, 42006, 63009, 84012, 126018, 252036, 6979997, 13959994, 20939991, 27919988, 41879982, 62819973, 83759964, 125639946, 251279892]

約数ペア:

[(1, 251279892), (2, 125639946), (3, 83759964), (4, 62819973), (6, 41879982), (9, 27919988), (12, 20939991), (18, 13959994), (36, 6979997), (997, 252036), (1994, 126018), (2991, 84012), (3988, 63009), (5982, 42006), (7001, 35892), (8973, 28004), (11964, 21003), (14002, 17946)]