13319425

素因数分解:

$5^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:238

約数の個数: 36

約数和(自身を含む): 19592496

約数和(自身を除く): 6273071

約数列:

[1, 5, 7, 25, 35, 49, 83, 131, 175, 245, 415, 581, 655, 917, 1225, 2075, 2905, 3275, 4067, 4585, 6419, 10873, 14525, 20335, 22925, 32095, 54365, 76111, 101675, 160475, 271825, 380555, 532777, 1902775, 2663885, 13319425]

約数ペア:

[(1, 13319425), (5, 2663885), (7, 1902775), (25, 532777), (35, 380555), (49, 271825), (83, 160475), (131, 101675), (175, 76111), (245, 54365), (415, 32095), (581, 22925), (655, 20335), (917, 14525), (1225, 10873), (2075, 6419), (2905, 4585), (3275, 4067)]