1321243048

素因数分解:

$2^3\times {\mathrm{1999}}^1\times {\mathrm{82619}}^1$

素因数の和:84624

約数の個数: 16

約数和(自身を含む): 2478600000

約数和(自身を除く): 1157356952

約数列:

[1, 2, 4, 8, 1999, 3998, 7996, 15992, 82619, 165238, 330476, 660952, 165155381, 330310762, 660621524, 1321243048]

約数ペア:

[(1, 1321243048), (2, 660621524), (4, 330310762), (8, 165155381), (1999, 660952), (3998, 330476), (7996, 165238), (15992, 82619)]