81375856

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{2113}}^1$

素因数の和:2233

約数の個数: 40

約数和(自身を含む): 165145680

約数和(自身を除く): 83769824

約数列:

[1, 2, 4, 8, 16, 29, 58, 83, 116, 166, 232, 332, 464, 664, 1328, 2113, 2407, 4226, 4814, 8452, 9628, 16904, 19256, 33808, 38512, 61277, 122554, 175379, 245108, 350758, 490216, 701516, 980432, 1403032, 2806064, 5085991, 10171982, 20343964, 40687928, 81375856]

約数ペア:

[(1, 81375856), (2, 40687928), (4, 20343964), (8, 10171982), (16, 5085991), (29, 2806064), (58, 1403032), (83, 980432), (116, 701516), (166, 490216), (232, 350758), (332, 245108), (464, 175379), (664, 122554), (1328, 61277), (2113, 38512), (2407, 33808), (4226, 19256), (4814, 16904), (8452, 9628)]