87778222

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{1049}}^1$

素因数の和:1240

約数の個数: 32

約数和(自身を含む): 155232000

約数和(自身を除く): 67453778

約数列:

[1, 2, 7, 14, 43, 86, 139, 278, 301, 602, 973, 1049, 1946, 2098, 5977, 7343, 11954, 14686, 41839, 45107, 83678, 90214, 145811, 291622, 315749, 631498, 1020677, 2041354, 6269873, 12539746, 43889111, 87778222]

約数ペア:

[(1, 87778222), (2, 43889111), (7, 12539746), (14, 6269873), (43, 2041354), (86, 1020677), (139, 631498), (278, 315749), (301, 291622), (602, 145811), (973, 90214), (1049, 83678), (1946, 45107), (2098, 41839), (5977, 14686), (7343, 11954)]