1298454928

素因数分解:

$2^4\times {\mathrm{509}}^1\times {\mathrm{159437}}^1$

素因数の和:159954

約数の個数: 20

約数和(自身を含む): 2520714780

約数和(自身を除く): 1222259852

約数列:

[1, 2, 4, 8, 16, 509, 1018, 2036, 4072, 8144, 159437, 318874, 637748, 1275496, 2550992, 81153433, 162306866, 324613732, 649227464, 1298454928]

約数ペア:

[(1, 1298454928), (2, 649227464), (4, 324613732), (8, 162306866), (16, 81153433), (509, 2550992), (1018, 1275496), (2036, 637748), (4072, 318874), (8144, 159437)]