64643866

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{148949}}^1$

素因数の和:148989

約数の個数: 16

約数和(自身を含む): 114393600

約数和(自身を除く): 49749734

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 148949, 297898, 1042643, 2085286, 4617419, 9234838, 32321933, 64643866]

約数ペア:

[(1, 64643866), (2, 32321933), (7, 9234838), (14, 4617419), (31, 2085286), (62, 1042643), (217, 297898), (434, 148949)]