81642002225

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15049217}}^1$

素因数の和:15049265

約数の個数: 24

約数和(自身を含む): 119430594048

約数和(自身を除く): 37788591823

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 775, 1085, 5425, 15049217, 75246085, 105344519, 376230425, 466525727, 526722595, 2332628635, 2633612975, 3265680089, 11663143175, 16328400445, 81642002225]

約数ペア:

[(1, 81642002225), (5, 16328400445), (7, 11663143175), (25, 3265680089), (31, 2633612975), (35, 2332628635), (155, 526722595), (175, 466525727), (217, 376230425), (775, 105344519), (1085, 75246085), (5425, 15049217)]