86159984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2039}}^1$

素因数の和:2205

約数の個数: 40

約数和(自身を含む): 177072000

約数和(自身を除く): 90912016

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 139, 152, 278, 304, 556, 1112, 2039, 2224, 2641, 4078, 5282, 8156, 10564, 16312, 21128, 32624, 38741, 42256, 77482, 154964, 283421, 309928, 566842, 619856, 1133684, 2267368, 4534736, 5384999, 10769998, 21539996, 43079992, 86159984]

約数ペア:

[(1, 86159984), (2, 43079992), (4, 21539996), (8, 10769998), (16, 5384999), (19, 4534736), (38, 2267368), (76, 1133684), (139, 619856), (152, 566842), (278, 309928), (304, 283421), (556, 154964), (1112, 77482), (2039, 42256), (2224, 38741), (2641, 32624), (4078, 21128), (5282, 16312), (8156, 10564)]