218791896

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{128399}}^1$

素因数の和:128479

約数の個数: 32

約数和(自身を含む): 554688000

約数和(自身を除く): 335896104

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 568, 852, 1704, 128399, 256798, 385197, 513596, 770394, 1027192, 1540788, 3081576, 9116329, 18232658, 27348987, 36465316, 54697974, 72930632, 109395948, 218791896]

約数ペア:

[(1, 218791896), (2, 109395948), (3, 72930632), (4, 54697974), (6, 36465316), (8, 27348987), (12, 18232658), (24, 9116329), (71, 3081576), (142, 1540788), (213, 1027192), (284, 770394), (426, 513596), (568, 385197), (852, 256798), (1704, 128399)]