218399118

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1987}}^1\times {\mathrm{2617}}^1$

素因数の和:4616

約数の個数: 32

約数和(自身を含む): 499640064

約数和(自身を除く): 281240946

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1987, 2617, 3974, 5234, 5961, 7851, 11922, 13909, 15702, 18319, 27818, 36638, 41727, 54957, 83454, 109914, 5199979, 10399958, 15599937, 31199874, 36399853, 72799706, 109199559, 218399118]

約数ペア:

[(1, 218399118), (2, 109199559), (3, 72799706), (6, 36399853), (7, 31199874), (14, 15599937), (21, 10399958), (42, 5199979), (1987, 109914), (2617, 83454), (3974, 54957), (5234, 41727), (5961, 36638), (7851, 27818), (11922, 18319), (13909, 15702)]