189991151

素因数分解:

$7^1\times {\mathrm{29}}^2\times {\mathrm{59}}^1\times {\mathrm{547}}^1$

素因数の和:671

約数の個数: 24

約数和(自身を含む): 229107840

約数和(自身を除く): 39116689

約数列:

[1, 7, 29, 59, 203, 413, 547, 841, 1711, 3829, 5887, 11977, 15863, 32273, 49619, 111041, 225911, 347333, 460027, 935917, 3220189, 6551419, 27141593, 189991151]

約数ペア:

[(1, 189991151), (7, 27141593), (29, 6551419), (59, 3220189), (203, 935917), (413, 460027), (547, 347333), (841, 225911), (1711, 111041), (3829, 49619), (5887, 32273), (11977, 15863)]