51308465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{787}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 71487360

約数和(自身を除く): 20178895

約数列:

[1, 5, 13, 17, 59, 65, 85, 221, 295, 767, 787, 1003, 1105, 3835, 3935, 5015, 10231, 13039, 13379, 46433, 51155, 65195, 66895, 173927, 232165, 603629, 789361, 869635, 3018145, 3946805, 10261693, 51308465]

約数ペア:

[(1, 51308465), (5, 10261693), (13, 3946805), (17, 3018145), (59, 869635), (65, 789361), (85, 603629), (221, 232165), (295, 173927), (767, 66895), (787, 65195), (1003, 51155), (1105, 46433), (3835, 13379), (3935, 13039), (5015, 10231)]