2047898209

素因数分解:

$7^2\times {\mathrm{113}}^1\times {\mathrm{577}}^1\times {\mathrm{641}}^1$

素因数の和:1345

約数の個数: 24

約数和(自身を含む): 2411251848

約数和(自身を除く): 363353639

約数列:

[1, 7, 49, 113, 577, 641, 791, 4039, 4487, 5537, 28273, 31409, 65201, 72433, 369857, 456407, 507031, 2588999, 3194849, 3549217, 18122993, 41793841, 292556887, 2047898209]

約数ペア:

[(1, 2047898209), (7, 292556887), (49, 41793841), (113, 18122993), (577, 3549217), (641, 3194849), (791, 2588999), (4039, 507031), (4487, 456407), (5537, 369857), (28273, 72433), (31409, 65201)]