2538464649

素因数分解:

$3^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{72253}}^1$

素因数の和:72509

約数の個数: 24

約数和(自身を含む): 3953738880

約数和(自身を除く): 1415274231

約数列:

[1, 3, 7, 21, 49, 147, 239, 717, 1673, 5019, 11711, 35133, 72253, 216759, 505771, 1517313, 3540397, 10621191, 17268467, 51805401, 120879269, 362637807, 846154883, 2538464649]

約数ペア:

[(1, 2538464649), (3, 846154883), (7, 362637807), (21, 120879269), (49, 51805401), (147, 17268467), (239, 10621191), (717, 3540397), (1673, 1517313), (5019, 505771), (11711, 216759), (35133, 72253)]