64892170

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{18919}}^1$

素因数の和:18947

約数の個数: 32

約数和(自身を含む): 136224000

約数和(自身を除く): 71331830

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 18919, 37838, 94595, 132433, 189190, 264866, 662165, 927031, 1324330, 1854062, 4635155, 6489217, 9270310, 12978434, 32446085, 64892170]

約数ペア:

[(1, 64892170), (2, 32446085), (5, 12978434), (7, 9270310), (10, 6489217), (14, 4635155), (35, 1854062), (49, 1324330), (70, 927031), (98, 662165), (245, 264866), (343, 189190), (490, 132433), (686, 94595), (1715, 37838), (3430, 18919)]