64254990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{3331}}^1$

素因数の和:3984

約数の個数: 32

約数和(自身を含む): 154498176

約数和(自身を除く): 90243186

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 643, 1286, 1929, 3215, 3331, 3858, 6430, 6662, 9645, 9993, 16655, 19290, 19986, 33310, 49965, 99930, 2141833, 4283666, 6425499, 10709165, 12850998, 21418330, 32127495, 64254990]

約数ペア:

[(1, 64254990), (2, 32127495), (3, 21418330), (5, 12850998), (6, 10709165), (10, 6425499), (15, 4283666), (30, 2141833), (643, 99930), (1286, 49965), (1929, 33310), (3215, 19986), (3331, 19290), (3858, 16655), (6430, 9993), (6662, 9645)]