128492752

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{71069}}^1$

素因数の和:71190

約数の個数: 20

約数和(自身を含む): 251161380

約数和(自身を除く): 122668628

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 71069, 142138, 284276, 568552, 1137104, 8030797, 16061594, 32123188, 64246376, 128492752]

約数ペア:

[(1, 128492752), (2, 64246376), (4, 32123188), (8, 16061594), (16, 8030797), (113, 1137104), (226, 568552), (452, 284276), (904, 142138), (1808, 71069)]