51142525

素因数分解:

$5^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{503}}^1$

素因数の和:610

約数の個数: 36

約数和(自身を含む): 74807712

約数和(自身を除く): 23665187

約数列:

[1, 5, 7, 25, 35, 49, 83, 175, 245, 415, 503, 581, 1225, 2075, 2515, 2905, 3521, 4067, 12575, 14525, 17605, 20335, 24647, 41749, 88025, 101675, 123235, 208745, 292243, 616175, 1043725, 1461215, 2045701, 7306075, 10228505, 51142525]

約数ペア:

[(1, 51142525), (5, 10228505), (7, 7306075), (25, 2045701), (35, 1461215), (49, 1043725), (83, 616175), (175, 292243), (245, 208745), (415, 123235), (503, 101675), (581, 88025), (1225, 41749), (2075, 24647), (2515, 20335), (2905, 17605), (3521, 14525), (4067, 12575)]