87978992

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1993}}^1$

素因数の和:2121

約数の個数: 40

約数和(自身を含む): 178024320

約数和(自身を除く): 90045328

約数列:

[1, 2, 4, 8, 16, 31, 62, 89, 124, 178, 248, 356, 496, 712, 1424, 1993, 2759, 3986, 5518, 7972, 11036, 15944, 22072, 31888, 44144, 61783, 123566, 177377, 247132, 354754, 494264, 709508, 988528, 1419016, 2838032, 5498687, 10997374, 21994748, 43989496, 87978992]

約数ペア:

[(1, 87978992), (2, 43989496), (4, 21994748), (8, 10997374), (16, 5498687), (31, 2838032), (62, 1419016), (89, 988528), (124, 709508), (178, 494264), (248, 354754), (356, 247132), (496, 177377), (712, 123566), (1424, 61783), (1993, 44144), (2759, 31888), (3986, 22072), (5518, 15944), (7972, 11036)]