71367856

素因数分解:

$2^4\times 7^1\times {\mathrm{643}}^1\times {\mathrm{991}}^1$

素因数の和:1649

約数の個数: 40

約数和(自身を含む): 158434304

約数和(自身を除く): 87066448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 643, 991, 1286, 1982, 2572, 3964, 4501, 5144, 6937, 7928, 9002, 10288, 13874, 15856, 18004, 27748, 36008, 55496, 72016, 110992, 637213, 1274426, 2548852, 4460491, 5097704, 8920982, 10195408, 17841964, 35683928, 71367856]

約数ペア:

[(1, 71367856), (2, 35683928), (4, 17841964), (7, 10195408), (8, 8920982), (14, 5097704), (16, 4460491), (28, 2548852), (56, 1274426), (112, 637213), (643, 110992), (991, 72016), (1286, 55496), (1982, 36008), (2572, 27748), (3964, 18004), (4501, 15856), (5144, 13874), (6937, 10288), (7928, 9002)]