261570248

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{439}}^1\times {\mathrm{1049}}^1$

素因数の和:1565

約数の個数: 32

約数和(自身を含む): 498960000

約数和(自身を除く): 237389752

約数列:

[1, 2, 4, 8, 71, 142, 284, 439, 568, 878, 1049, 1756, 2098, 3512, 4196, 8392, 31169, 62338, 74479, 124676, 148958, 249352, 297916, 460511, 595832, 921022, 1842044, 3684088, 32696281, 65392562, 130785124, 261570248]

約数ペア:

[(1, 261570248), (2, 130785124), (4, 65392562), (8, 32696281), (71, 3684088), (142, 1842044), (284, 921022), (439, 595832), (568, 460511), (878, 297916), (1049, 249352), (1756, 148958), (2098, 124676), (3512, 74479), (4196, 62338), (8392, 31169)]