1638762978

素因数分解:

$2^1\times 3^1\times {\mathrm{659}}^1\times {\mathrm{414457}}^1$

素因数の和:415121

約数の個数: 16

約数和(自身を含む): 3282507360

約数和(自身を除く): 1643744382

約数列:

[1, 2, 3, 6, 659, 1318, 1977, 3954, 414457, 828914, 1243371, 2486742, 273127163, 546254326, 819381489, 1638762978]

約数ペア:

[(1, 1638762978), (2, 819381489), (3, 546254326), (6, 273127163), (659, 2486742), (1318, 1243371), (1977, 828914), (3954, 414457)]