2187359972

素因数分解:

$2^2\times 7^1\times {\mathrm{643}}^1\times {\mathrm{121493}}^1$

素因数の和:122147

約数の個数: 24

約数和(自身を含む): 4381559616

約数和(自身を除く): 2194199644

約数列:

[1, 2, 4, 7, 14, 28, 643, 1286, 2572, 4501, 9002, 18004, 121493, 242986, 485972, 850451, 1700902, 3401804, 78119999, 156239998, 312479996, 546839993, 1093679986, 2187359972]

約数ペア:

[(1, 2187359972), (2, 1093679986), (4, 546839993), (7, 312479996), (14, 156239998), (28, 78119999), (643, 3401804), (1286, 1700902), (2572, 850451), (4501, 485972), (9002, 242986), (18004, 121493)]