8421990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2143}}^1$

素因数の和:2284

約数の個数: 32

約数和(自身を含む): 20376576

約数和(自身を除く): 11954586

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 131, 262, 393, 655, 786, 1310, 1965, 2143, 3930, 4286, 6429, 10715, 12858, 21430, 32145, 64290, 280733, 561466, 842199, 1403665, 1684398, 2807330, 4210995, 8421990]

約数ペア:

[(1, 8421990), (2, 4210995), (3, 2807330), (5, 1684398), (6, 1403665), (10, 842199), (15, 561466), (30, 280733), (131, 64290), (262, 32145), (393, 21430), (655, 12858), (786, 10715), (1310, 6429), (1965, 4286), (2143, 3930)]