289339910

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{407521}}^1$

素因数の和:407599

約数の個数: 16

約数和(自身を含む): 528148512

約数和(自身を除く): 238808602

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 407521, 815042, 2037605, 4075210, 28933991, 57867982, 144669955, 289339910]

約数ペア:

[(1, 289339910), (2, 144669955), (5, 57867982), (10, 28933991), (71, 4075210), (142, 2037605), (355, 815042), (710, 407521)]