31879428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1987}}^1$

素因数の和:2192

約数の個数: 48

約数和(自身を含む): 85499904

約数和(自身を除く): 53620476

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 191, 382, 573, 764, 1146, 1337, 1987, 2292, 2674, 3974, 4011, 5348, 5961, 7948, 8022, 11922, 13909, 16044, 23844, 27818, 41727, 55636, 83454, 166908, 379517, 759034, 1138551, 1518068, 2277102, 2656619, 4554204, 5313238, 7969857, 10626476, 15939714, 31879428]

約数ペア:

[(1, 31879428), (2, 15939714), (3, 10626476), (4, 7969857), (6, 5313238), (7, 4554204), (12, 2656619), (14, 2277102), (21, 1518068), (28, 1138551), (42, 759034), (84, 379517), (191, 166908), (382, 83454), (573, 55636), (764, 41727), (1146, 27818), (1337, 23844), (1987, 16044), (2292, 13909), (2674, 11922), (3974, 8022), (4011, 7948), (5348, 5961)]