289322225

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{577}}^1\times {\mathrm{647}}^1$

素因数の和:1265

約数の個数: 24

約数和(自身を含む): 371547648

約数和(自身を除く): 82225423

約数列:

[1, 5, 25, 31, 155, 577, 647, 775, 2885, 3235, 14425, 16175, 17887, 20057, 89435, 100285, 373319, 447175, 501425, 1866595, 9332975, 11572889, 57864445, 289322225]

約数ペア:

[(1, 289322225), (5, 57864445), (25, 11572889), (31, 9332975), (155, 1866595), (577, 501425), (647, 447175), (775, 373319), (2885, 100285), (3235, 89435), (14425, 20057), (16175, 17887)]